A road is a thoroughfare for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets , whose primary function is to serve as public spaces, the main function of roads is transportation.
134-690: The A274 is a major road running through mid Kent . The northern end of the road is in Maidstone , at the Wheatsheaf public house where it leaves the A229 . The road then follows a south easterly route to Langley , where it changes to a south south easterly alignment through Sutton Valence and Headcorn , ending at a junction with the A262 in Biddenden . It is 12.37 miles (19.91 km) long. The A274
268-965: A referendum on devolution proposals in 1997 , the Scotland Act 1998 was passed by the British Parliament, which established a devolved Scottish Parliament and Scottish Government with responsibility for most laws specific to Scotland. The Scottish Parliament was reconvened in Edinburgh on 4 July 1999. The first to hold the office of first minister of Scotland was Donald Dewar , who served until his sudden death in 2000. The Scottish Parliament Building at Holyrood opened in October 2004 after lengthy construction delays and running over budget. The Scottish Parliament's form of proportional representation (the additional member system ) resulted in no one party having an overall majority for
402-400: A road use tax , is payable on some vehicles used on the public road. The definition of a road depends on the definition of a highway; there is no formal definition for a highway in the relevant Act. A 1984 ruling said "the land over which a public right of way exists is known as a highway; and although most highways have been made up into roads, and most easements of way exist over footpaths,
536-411: A single carriageway road is converted into dual carriageway by building a second separate carriageway alongside the first, it is usually referred to as duplication , twinning or doubling . The original carriageway is changed from two-way to become one-way, while the new carriageway is one-way in the opposite direction. In the same way as converting railway lines from single track to double track ,
670-457: A 25 to 50 millimeter hole through the pavement into the sub-base with a dry-bit roto-hammer . Next, a two-part epoxy is poured into the hole – dyed for visual clarity. Once the epoxy hardens, technicians drill through the hole. If a void is present, the epoxy will stick to the core and provide physical evidence. Common stabilization materials include pozzolan -cement grout and polyurethane. The requirements for slab stabilization are strength and
804-614: A May 2009 report by the American Association of State Highway and Transportation Officials (AASHTO) and TRIP – a national transportation research organization – driving on rough roads costs the average American motorist approximately $ 400 a year in extra vehicle operating costs. Drivers living in urban areas with populations more than 250,000 are paying upwards of $ 750 more annually because of accelerated vehicle deterioration, increased maintenance, additional fuel consumption , and tire wear caused by poor road conditions. When
938-635: A distinctive Norse–Gaelic culture that saw many Old Norse loanwords enter the Scottish Gaelic spoken by islanders, and through successive generations the Norse would become almost completely assimilated into Gaelic culture and the Scottish clan system. After the conflict, Scotland had to affirm Norwegian sovereignty of the Northern Isles , but they were later integrated into Scotland in
1072-419: A double-wheeled, steel roller to insert the rod to the desired depth. After inserting the backer rod, the sealant is placed into the joint. There are various materials to choose for this method including hot pour bituminous liquid, silicone and preformed compression seals. Careful design and construction of roads can increase road traffic safety and reduce the harm (deaths, injuries, and property damage) on
1206-589: A full legal union be sought instead, a proposal to which the Scots Parliament would not assent, causing the king to withdraw the plan. Except for a short period under the Protectorate , Scotland remained a separate state in the 17th century, but there was considerable conflict between the crown and the Covenanters over the form of church government . The military was strengthened, allowing
1340-588: A letter addressed to Adolf Hitler that detailed his intentions to open peace negotiations with the British. Pintsch delivered the letter to Hitler at the Berghof around noon on 11 May. Albert Speer later said Hitler described Hess's departure as one of the worst personal blows of his life, as he considered it a personal betrayal. Hitler worried that his allies, Italy and Japan, would perceive Hess's act as an attempt by Hitler to secretly open peace negotiations with
1474-645: A line between the River Tyne and the Solway Firth . Along this line, Trajan's successor Hadrian ( r. 117–138 ) erected Hadrian's Wall in northern England and the Limes Britannicus became the northern border of the Roman Empire. The Roman influence on the southern part of the country was considerable, and they introduced Christianity to Scotland. The Antonine Wall
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#17327866248921608-413: A major two-level (and at one point, three-level) roadway in the downtown area, are being rebuilt with a designed service life of 100 years. Virtually all roads require some form of maintenance before they come to the end of their service life. Pro-active agencies use pavement management techniques to continually monitor road conditions and schedule preventive maintenance treatments as needed to prolong
1742-402: A number of Scottish-born authors achieved international reputations, such as Robert Louis Stevenson , Arthur Conan Doyle , J. M. Barrie and George MacDonald . Scotland also played a major part in the development of art and architecture. The Glasgow School , which developed in the late 19th century, and flourished in the early 20th century, produced a distinctive blend of influences including
1876-467: A population of 4.8 million in 1911, Scotland sent over half a million men to the war, of whom over a quarter died in combat or from disease, and 150,000 were seriously wounded. Field Marshal Sir Douglas Haig was Britain's commander on the Western Front. The war saw the emergence of a radical movement called " Red Clydeside " led by militant trades unionists. Formerly a Liberal stronghold,
2010-428: A road as "a line of communication (travelled way) using a stabilized base other than rails or air strips open to public traffic, primarily for the use of road motor vehicles running on their own wheels", which includes "bridges, tunnels, supporting structures, junctions, crossings, interchanges, and toll roads, but not cycle paths". The Eurostat , ITF and UNECE Glossary for Transport Statistics Illustrated defines
2144-494: A road as a "Line of communication (traveled way) open to public traffic, primarily for the use of road motor vehicles, using a stabilized base other than rails or air strips. [...] Included are paved roads and other roads with a stabilized base, e.g. gravel roads. Roads also cover streets, bridges, tunnels, supporting structures, junctions, crossings and interchanges. Toll roads are also included. Excluded are dedicated cycle lanes." The 1968 Vienna Convention on Road Traffic defines
2278-510: A road as the entire surface of any way or street open to public traffic. In urban areas roads may diverge through a city or village and be named as streets, serving a dual function as urban space easement and route. Modern roads are normally smoothed, paved, or otherwise prepared to allow easy travel . Part 2, Division 1, clauses 11–13 of the National Transport Commission Regulations 2006 defines
2412-524: A road in Australia as 'an area that is open to or used by the public and is developed for, or has as one of its main uses, the driving or riding of motor vehicles.' Further, it defines a shoulder (typical an area of the road outside the edge line, or the curb) and a road-related area which includes green areas separating roads, areas designated for cyclists and areas generally accessible to the public for driving, riding or parking vehicles. In New Zealand,
2546-637: Is 30,977 square miles (80,231 km ) with a land area of 30,078 square miles (77,901 km ), comparable to the size of the Czech Republic . Scotland's only land border is with England, and runs for 96 miles (154 km) between the basin of the River Tweed on the east coast and the Solway Firth in the west. The Atlantic Ocean borders the west coast and the North Sea is to the east. The island of Ireland lies only 13 miles (21 km) from
2680-432: Is 40 years for new bitumen and concrete pavement. Maintenance is considered in the whole life cost of the road with service at 10, 20 and 30-year milestones. Roads can be and are designed for a variety of lives (8-, 15-, 30-, and 60-year designs). When pavement lasts longer than its intended life, it may have been overbuilt, and the original costs may have been too high. When a pavement fails before its intended design life,
2814-597: Is a country that is part of the United Kingdom . It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjacent islands , principally in the archipelagos of the Hebrides and the Northern Isles . To the south-east, Scotland has its only land border , which is 96 miles (154 km) long and shared with England ;
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#17327866248922948-433: Is a non-destructive method of solving this problem and is usually employed with other concrete pavement restoration methods including patching and diamond grinding. The technique restores support to concrete slabs by filing small voids that develop underneath the concrete slab at joints, cracks or the pavement edge. The process consists of pumping a cementitious grout or polyurethane mixture through holes drilled through
3082-487: Is also common. Some road fixtures such as road signs and fire hydrants are designed to collapse on impact. Light poles are designed to break at the base rather than violently stop a car that hits them. Highway authorities may also remove larger trees from the immediate vicinity of the road. During heavy rains, if the elevation of the road surface is not higher than the surrounding landscape, it may result in flooding. Speed limits can improve road traffic safety and reduce
3216-485: Is another common procedure used to locate voids. It is recommended to do this testing at night as during cooler temperatures, joints open, aggregate interlock diminishes and load deflections are at their highest. Ground penetrating radar pulses electromagnetic waves into the pavement and measures and graphically displays the reflected signal. This can reveal voids and other defects. The epoxy/core test, detects voids by visual and mechanical methods. It consists of drilling
3350-418: Is discovered it is removed, moisture content is managed and replaced with standard fill compacted to meet the design requirements (generally 90–95% relative compaction). Blasting is not frequently used to excavate the roadbed as the intact rock structure forms an ideal road base. When a depression must be filled to come up to the road grade the native bed is compacted after the topsoil has been removed. The fill
3484-451: Is made by the "compacted layer method" where a layer of fill is spread then compacted to specifications, under saturated conditions. The process is repeated until the desired grade is reached. General fill material should be free of organics , meet minimum California bearing ratio (CBR) results and have a low plasticity index . The lower fill generally comprises sand or a sand-rich mixture with fine gravel, which acts as an inhibitor to
3618-571: Is primarily due to environmental effects such as frost heaves , thermal cracking and oxidation often contribute, however accumulated damage from vehicles also contributes. According to a series of experiments carried out in the late 1950s, called the AASHO Road Test , it was empirically determined that the effective damage done to the road is roughly proportional to the fourth power of axle weight . A typical tractor-trailer weighing 80,000 pounds (36.287 t ) with 8,000 pounds (3.629 t) on
3752-700: Is said to have invested in the Darien scheme . After another proposal from the English House of Lords was rejected in 1695, and a further Lords motion was voted down in the House of Commons in 1700, the Parliament of Scotland again rejected union in 1702. The failure of the Darien Scheme bankrupted the landowners who had invested, though not the burghs. Nevertheless, the nobles' bankruptcy, along with
3886-522: Is some ambiguity between the terms highway and road . For the purposes of the English law , Highways Act 1980 , which covers England and Wales but not Scotland or Northern Ireland , road is "any length of highway or of any other road to which the public has access, and includes bridges over which a road passes". This includes footpaths, bridleways and cycle tracks, and also road and driveways on private land and many car parks. Vehicle Excise Duty ,
4020-410: Is taken to preserve reference Benchmarks Roads are designed and built for primary use by vehicular and pedestrian traffic. Storm drainage and environmental considerations are a major concern. Erosion and sediment controls are constructed to prevent detrimental effects. Drainage lines are laid with sealed joints in the road easement with runoff coefficients and characteristics adequate for
4154-546: Is the native material underneath a constructed road. Road construction requires the creation of an engineered continuous right-of-way or roadbed , overcoming geographic obstacles and having grades low enough to permit vehicle or foot travel , and may be required to meet standards set by law or official guidelines. The process is often begun with the removal of earth and rock by digging or blasting, construction of embankments , bridges and tunnels , and removal of vegetation (this may involve deforestation ) and followed by
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4288-525: Is typical of the north-west of Europe, although several of the larger mammals such as the lynx, brown bear, wolf, elk and walrus were hunted to extinction in historic times. There are important populations of seals and internationally significant nesting grounds for a variety of seabirds such as gannets . The golden eagle is something of a national icon. On the high mountain tops, species including ptarmigan , mountain hare and stoat can be seen in their white colour phase during winter months. Remnants of
4422-559: Is usually stripped and stockpiled nearby for rehabilitation of newly constructed embankments along the road. Stumps and roots are removed and holes filled as required before the earthwork begins. Final rehabilitation after road construction is completed will include seeding, planting, watering and other activities to reinstate the area to be consistent with the untouched surrounding areas. Processes during earthwork include excavation, removal of material to spoil, filling, compacting, construction and trimming. If rock or other unsuitable material
4556-753: The Bruce dynasty and their long-term rivals of the House of Comyn and House of Balliol lasted until the middle of the 14th century. Although the Bruce faction was successful, David II's lack of an heir allowed his half-nephew Robert II , the Lord High Steward of Scotland , to come to the throne and establish the House of Stewart . The Stewarts ruled Scotland for the remainder of the Middle Ages . The country they ruled experienced greater prosperity from
4690-701: The Celtic Revival the Arts and Crafts movement , and Japonism , which found favour throughout the modern art world of continental Europe and helped define the Art Nouveau style. Proponents included architect and artist Charles Rennie Mackintosh . Scotland played a major role in the British effort in the First World War . It especially provided manpower, ships, machinery, fish and money. With
4824-526: The Community Charge (widely known as the Poll Tax) one year before the rest of Great Britain, contributed to a growing movement for Scottish control over domestic affairs. On 21 December 1988, Pan Am Flight 103 exploded mid–air over the town of Lockerbie , killing all on board as well as eleven Lockerbie residents. It remains the deadliest terrorist attack in the United Kingdom . Following
4958-539: The Hebrides , which had been ruled by various Scottish clans following the death of Somerled in 1164. In 1266, Scotland fought the short but consequential Scottish-Norwegian War which saw the reclamation of the Hebrides after the strong defeat of King Haakon IV and his forces at the Battle of Largs . Up until that point, the Hebrides had been under Norwegian Viking control for roughly 400 years and had developed
5092-646: The Highland Boundary Fault , which runs from Arran to Stonehaven . This part of Scotland largely comprises ancient rocks from the Cambrian and Precambrian , which were uplifted during the later Caledonian orogeny . It is interspersed with igneous intrusions of a more recent age, remnants of which formed mountain massifs such as the Cairngorms and Skye Cuillins . In north-eastern mainland Scotland weathering of rock that occurred before
5226-525: The House of Hanover from the British throne. The threat of the Jacobite movement to the United Kingdom and its monarchs effectively ended at the Battle of Culloden , Great Britain's last pitched battle . The passing of the Treaty of Union did not bring about immediate economic prosperity to Scotland as was widely speculated by the pamphleteer as a result of the little consideration given to prospects of
5360-564: The House of Stuart was resumed with the Restoration in Scotland in 1660. The Parliament of Scotland sought a commercial union with England in 1664; the proposal was rejected in 1668. In 1670 the Parliament of England rejected a proposed political union with Scotland. English proposals along the same lines were abandoned in 1674 and in 1685. The Scots Parliament rejected proposals for a political union with England in 1689. Jacobitism ,
5494-769: The Last Ice Age has shaped much of the landscape. A significant exception to the above are the fossil-bearing beds of Old Red Sandstones found principally along the Moray Firth coast. The Highlands are generally mountainous and the highest elevations in the British Isles are found here. Scotland has over 790 islands divided into four main groups: Shetland , Orkney , and the Inner Hebrides and Outer Hebrides . There are numerous bodies of freshwater including Loch Lomond and Loch Ness . Some parts of
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5628-826: The Moscow region in Russia , and the Kamchatka Peninsula on the opposite side of Eurasia . Temperatures are generally lower than in the rest of the UK, with the temperature of −27.2 °C (−17.0 °F) recorded at Braemar in the Grampian Mountains , on 11 February 1895, the coldest ever recorded anywhere in the UK. Winter maxima average 6 °C (43 °F) in the Lowlands, with summer maxima averaging 18 °C (64 °F). The highest temperature recorded
5762-533: The Northern Isles and Western Isles , where a lack of trees led to most structures being built of local stone. Evidence of sophisticated pre-Christian belief systems is demonstrated by sites such as the Callanish Stones on Lewis and the Maes Howe on Orkney , which were built in the third millennium BC. The first written reference to Scotland was in 320 BC by Greek sailor Pytheas , who called
5896-533: The Parliament of Great Britain , which succeeded both the Parliament of Scotland and the Parliament of England , which rejected proposals from the Parliament of Ireland that the third kingdom be incorporated in the union. Andrew Fletcher , a prominent Scottish patriot, argued that the ratification of the treaty would see Scotland "more like a conquered province", and by 1713, the former Lord Chancellor of Scotland , James Ogilvy, 4th Earl of Findlater , who
6030-715: The River Tay , flows for a distance of 117 miles (188 km). The whole of Scotland was covered by ice sheets during the Pleistocene ice ages and the landscape is much affected by glaciation. From a geological perspective, the country has three main sub-divisions: the Highlands and Islands, the Central Lowlands, and the Southern Uplands. The Highlands and Islands lie to the north and west of
6164-531: The Roman Empire , was culturally divergent. Repeated glaciations, which covered the entire land mass of modern Scotland, destroyed any traces of human habitation that may have existed before the Mesolithic period . It is believed the first post-glacial groups of hunter-gatherers arrived in Scotland around 12,800 years ago, as the ice sheet retreated after the last glaciation . At the time, Scotland
6298-711: The Scots Confession , which signalled the Scottish Reformation 's sharp break from papal authority and Roman Catholic teaching. The Catholic Mary, Queen of Scots, was forced to abdicate in 1567 . In 1603, James VI, King of Scots inherited the thrones of the Kingdom of England and the Kingdom of Ireland in the Union of the Crowns , and moved to London. This was a personal union as despite having
6432-665: The Wars of Scottish Independence , until Robert the Bruce was crowned king of Scotland in 1306. Victory at the Battle of Bannockburn in 1314 proved the Scots had regained control of their kingdom. In 1320 the world's first documented declaration of independence, the Declaration of Arbroath , won the support of Pope John XXII , leading to the legal recognition of Scottish sovereignty by the English Crown. A civil war between
6566-611: The beaver and wild boar . Today, much of the remaining native Caledonian Forest lies within the Cairngorms National Park and remnants of the forest remain at 84 locations across Scotland. On the west coast, remnants of ancient Celtic Rainforest remain, particularly on the Taynish peninsula in Argyll , these forests are particularly rare due to high rates of deforestation throughout Scottish history. The flora of
6700-816: The glens in the Highlands, the Caledonians were again in revolt in 210–211 and these were overrun. To the Roman historians Tacitus and Cassius Dio , the Scottish Highlands and the area north of the River Forth was called Caledonia . According to Cassius Dio, the inhabitants of Caledonia were the Caledonians and the Maeatae . Other ancient authors used the adjective "Caledonian" to mean anywhere in northern or inland Britain, often mentioning
6834-406: The land zoning and storm water system. Drainage systems must be capable of carrying the ultimate design flow from the upstream catchment with approval for the outfall from the appropriate authority to a watercourse , creek , river or the sea for drainage discharge. A borrow pit (source for obtaining fill, gravel, and rock) and a water source should be located near or in reasonable distance to
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#17327866248926968-581: The 14th century is now a crown dependency outside of the United Kingdom; the island groups Orkney and Shetland , which were acquired from Norway in 1472; and Berwick-upon-Tweed , lost to England in 1482 The geographical centre of Scotland lies a few miles from the village of Newtonmore in Badenoch . Rising to 4,413 feet (1,345 m) above sea level, Scotland's highest point is the summit of Ben Nevis , in Lochaber , while Scotland's longest river,
7102-401: The 15th century. Scandinavian culture in the form of the Norn language survived for a lot longer than in the Hebrides, and would strongly influence the local Scots dialect on Shetland and Orkney . Later, a system of feudalism was consolidated, with both Anglo-Norman incomers and native Gaelic chieftains being granted land in exchange for serving the king. The relationship with England
7236-493: The British. After 1945, Scotland's economic situation worsened due to overseas competition, inefficient industry, and industrial disputes. Only in recent decades has the country enjoyed something of a cultural and economic renaissance. Economic factors contributing to this recovery included a resurgent financial services industry, electronics manufacturing , (see Silicon Glen ), and the North Sea oil and gas industry. The introduction in 1989 by Margaret Thatcher's government of
7370-402: The Pictish language went extinct as its speakers shifted to Gaelic. From a base in eastern Scotland north of the River Forth and south of the River Spey , the kingdom expanded first southwards, into the former Northumbrian lands, and northwards into Moray . Around the turn of the millennium, there was a centralization in agricultural lands and the first towns began to be established. In
7504-416: The Roman victory, Roman forts were briefly set along the Gask Ridge close to the Highland line , but by three years after the battle, the Roman armies had withdrawn to the Southern Uplands . Remains of Roman forts established in the 1st century have been found as far north as the Moray Firth . By the reign of the Roman emperor Trajan ( r. 98–117 ), Roman control had lapsed to Britain south of
7638-405: The Scottish Enlightenment is traditionally considered to have concluded toward the end of the 18th century, disproportionately large Scottish contributions to British science and letters continued for another 50 years or more, thanks to such figures as the physicists James Clerk Maxwell and Lord Kelvin , and the engineers and inventors James Watt and William Murdoch , whose work was critical to
7772-423: The Scottish Parliament after the referendum, following cross-party talks in the Smith Commission . Since the 2014 referendum, events such as the UK leaving the European Union, despite a majority of voters in Scotland voting to remain a member, have led to calls for a second independence referendum . In 2022, the Lord Advocate Dorothy Bain argued the case for the Scottish Government to hold another referendum on
7906-401: The Scottish economy. Campaigners for the union between Scotland and England believed that there would be economic advantages to Scotland as a result of the failed Darien scheme which left the Kingdom of Scotland bankrupt. Eventually however, with trade tariffs with England abolished, trade blossomed, especially with Colonial America . The clippers belonging to the Glasgow Tobacco Lords were
8040-494: The Southern Uplands is Merrick with an elevation of 843 m (2,766 ft). The Southern Uplands is home to Scotland's highest village, Wanlockhead (430 m or 1,411 ft above sea level). The climate of most of Scotland is temperate and oceanic , and tends to be very changeable. As it is warmed by the Gulf Stream from the Atlantic, it has much milder winters (but cooler, wetter summers) than areas on similar latitudes, such as Labrador , southern Scandinavia ,
8174-422: The ability to flow into or expand to fill small voids. Colloidal mixing equipment is necessary to use the pozzolan-cement grouts. The contractor must place the grout using a positive-displacement injection pump or a non-pulsing progressive cavity pump. A drill is also necessary but it must produce a clean hole with no surface spalling or breakouts. The injection devices must include a grout packer capable of sealing
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#17327866248928308-442: The army and navy, trade, economics, colonial enterprises and other areas across the nascent British Empire . Historian Neil Davidson notes "after 1746 there was an entirely new level of participation by Scots in political life, particularly outside Scotland." Davidson also states "far from being 'peripheral' to the British economy, Scotland – or more precisely, the Lowlands – lay at its core." The Scottish Reform Act 1832 increased
8442-521: The average US motorist pays about $ 335/year. In contrast, the average motorist pays about $ 171/year in road maintenance taxes (based on 600 gallons/year and $ 0.285/gallon tax). Distress and serviceability loss on concrete roads can be caused by loss of support due to voids beneath the concrete pavement slabs. The voids usually occur near cracks or joints due to surface water infiltration . The most common causes of voids are pumping, consolidation, subgrade failure and bridge approach failure. Slab stabilization
8576-508: The central belt of the country. Perhaps the most significant air raid in Scotland was the Clydebank Blitz of March 1941, which intended to destroy naval shipbuilding in the area. 528 people were killed and 4,000 homes totally destroyed. Perhaps Scotland's most unusual wartime episode occurred in 1941 when Rudolf Hess flew to Renfrewshire, possibly intending to broker a peace deal through the Duke of Hamilton . Before his departure from Germany, Hess had given his adjutant, Karlheinz Pintsch ,
8710-399: The coastline consist of machair , a low-lying dune pasture land. The Central Lowlands is a rift valley mainly comprising Paleozoic formations. Many of these sediments have economic significance for it is here that the coal and iron-bearing rocks that fuelled Scotland's industrial revolution are found. This area has also experienced intense volcanism, Arthur's Seat in Edinburgh being
8844-402: The continuation of Scottish culture and national identity . Scottish English and Scots are the most widely spoken languages in the country , existing on a dialect continuum with each other. Scottish Gaelic speakers can be found all over Scotland, however the language is largely spoken natively by communities within the Hebrides . The number of Gaelic speakers numbers less than 2% of
8978-399: The country is surrounded by the Atlantic Ocean to the north and west, the North Sea to the north-east and east, and the Irish Sea to the south. The population in 2022 was 5,439,842. Edinburgh is the capital and Glasgow is the largest of the cities of Scotland . The Kingdom of Scotland emerged as an independent sovereign state in the 9th century. In 1603, James VI succeeded to
9112-444: The country is varied incorporating both deciduous and coniferous woodland as well as moorland and tundra species. Large-scale commercial tree planting and management of upland moorland habitat for the grazing of sheep and field sport activities like deer stalking and driven grouse shooting impacts the distribution of indigenous plants and animals. The UK's tallest tree is a grand fir planted beside Loch Fyne , Argyll in
9246-464: The definition of a road is broad in common law where the statutory definition includes areas the public has access to, by right or not. Beaches, publicly accessible car parks and yards (even if privately owned), river beds, road shoulders (verges), wharves and bridges are included. However, the definition of a road for insurance purposes may be restricted to reduce risk. In the United Kingdom The Highway Code details rules for "road users", but there
9380-465: The design structural capacity, stop erosion or eliminate faulting. It does, however, restore the slab support, therefore, decreasing deflections under the load. Stabilization should only be performed at joints and cracks where the loss of support exists. Visual inspection is the simplest manner to find voids. Signs that repair is needed are transverse joint faulting, corner breaks and shoulder drop off and lines at or near joints and cracks. Deflection testing
9514-462: The end of the 14th century through the Scottish Renaissance to the Reformation , despite the effects of the Black Death in 1349 and increasing division between Highlands and Lowlands . Multiple truces reduced warfare on the southern border. The Treaty of Perpetual Peace was signed in 1502 by James IV of Scotland and Henry VII of England . James married Henry's daughter, Margaret Tudor . James invaded England in support of France under
9648-675: The execution of the Scottish king at Whitehall in 1649, amid the Wars of the Three Kingdoms and its events in Scotland , Oliver Cromwell , the victorious Lord Protector , imposed the British Isles' first written constitution – the Instrument of Government – on Scotland in 1652 as part of the republican Commonwealth of England, Scotland, and Ireland . The Protectorate Parliament was the first Westminster parliament to include representatives nominally from Scotland. The monarchy of
9782-426: The family unit and had sharp divisions in wealth, although the vast majority were poor and worked full-time in subsistence agriculture . The Picts kept slaves (mostly captured in war) through the ninth century. Gaelic influence over Pictland and Northumbria was facilitated by the large number of Gaelic-speaking clerics working as missionaries. Operating in the sixth century on the island of Iona , Saint Columba
9916-709: The fastest ships on the route to Virginia . Until the American War of Independence in 1776, Glasgow was the world's premier tobacco port, dominating world trade. The disparity between the wealth of the merchant classes of the Scottish Lowlands and the ancient clans of the Scottish Highlands grew, amplifying centuries of division. In the Highlands, clan chiefs gradually started to think of themselves more as commercial landlords than leaders of their people. These social and economic changes included
10050-441: The first pathways were the trails made by animals has not been universally accepted; in many cases animals do not follow constant paths. Some believe that some roads originated from following animal trails. The Icknield Way may exemplify this type of road origination, where human and animal both selected the same natural line. By about 10,000 BC human travelers used rough roads/pathways. In transport engineering , subgrade
10184-669: The first phase of the Highland Clearances and, ultimately, the demise of clanship. The Scottish Enlightenment and the Industrial Revolution turned Scotland into an intellectual, commercial and industrial powerhouse — so much so Voltaire said "We look to Scotland for all our ideas of civilisation." With the demise of Jacobitism and the advent of the Union, thousands of Scots, mainly Lowlanders, took up numerous positions of power in politics, civil service,
10318-683: The first three Scottish parliament elections. The pro- independence Scottish National Party led by Alex Salmond achieved an overall majority in the 2011 election , winning 69 of the 129 seats available. The success of the SNP in achieving a majority in the Scottish Parliament paved the way for the September 2014 referendum on Scottish independence . The majority voted against the proposition, with 55% voting no to independence. More powers, particularly concerning taxation, were devolved to
10452-416: The functional condition of the road while reducing the need for routing maintenance, leading to extended service life without increasing structural capacity. Older concrete pavements that develop faults can be repaired with a dowel bar retrofit , in which slots are cut in the pavement at each joint, and dowel bars are placed in the slots, which are then filled with concrete patching material. This can extend
10586-464: The growth of plants or other vegetable matter. The compacted fill also serves as lower-stratum drainage. Select second fill ( sieved ) should be composed of gravel , decomposed rock or broken rock below a specified particle size and be free of large lumps of clay . Sand clay fill may also be used. The roadbed must be "proof rolled" after each layer of fill is compacted. If a roller passes over an area without creating visible deformation or spring
10720-404: The highway system from traffic collisions. On neighborhood roads traffic calming , safety barriers , pedestrian crossings and cycle lanes can help protect pedestrians, cyclists, and drivers. Lane markers in some countries and states are marked with Cat's eyes or Botts dots. Botts dots are not used where it is icy in the winter, because frost and snowplows can break the glue that holds them to
10854-580: The hole. The injection device must also have a return hose or a fast-control reverse switch, in case workers detect slab movement on the uplift gauge. The uplift beam helps to monitor the slab deflection and has to have sensitive dial gauges. Also called joint and crack repair, this method's purpose is to minimize infiltration of surface water and incompressible material into the joint system. Joint sealants are also used to reduce dowel bar corrosion in concrete pavement restoration techniques. Successful resealing consists of old sealant removal, shaping and cleaning
10988-414: The imposition of royal authority on the western Highland clans. The 1609 Statutes of Iona compelled the cultural integration of Hebridean clan leaders. In 1641 and again in 1643, the Parliament of Scotland unsuccessfully sought a union with England which was "federative" and not "incorporating", in which Scotland would retain a separate parliament. The issue of union split the parliament in 1648. After
11122-777: The industrial districts switched to Labour by 1922, with a base among the Irish Catholic working-class districts. Women were especially active in building neighbourhood solidarity on housing issues. The "Reds" operated within the Labour Party with little influence in Parliament and the mood changed to passive despair by the late 1920s. During the Second World War, Scotland was targeted by Nazi Germany largely due to its factories, shipyards, and coal mines. Cities such as Glasgow and Edinburgh were targeted by German bombers, as were smaller towns mostly located in
11256-628: The issue, with the Supreme Court later ruling against the argument. Following the Supreme Court decision, the Scottish Government stated that it wished to make amendments to the Scotland Act 1998 that would allow a referendum to be held in 2023. The mainland of Scotland comprises the northern third of the land mass of the island of Great Britain, which lies off the northwest coast of Continental Europe . The total area
11390-631: The later 4th century, which included the participation of the Gaelic Scoti and the Caledonians, who were then known as Picts by the Romans. This was defeated by the comes Theodosius ; but Roman military government was withdrawn from the island altogether by the early 5th century, resulting in the Anglo-Saxon settlement of Britain and the immigration of the Saxons to southeastern Scotland and
11524-404: The laying of pavement material. A variety of road building equipment is employed in road building. After design, approval , planning , legal, and environmental considerations have been addressed alignment of the road is set out by a surveyor . The radii and gradient are designed and staked out to best suit the natural ground levels and minimize the amount of cut and fill. Great care
11658-530: The life of the concrete pavement for 15 years. Failure to maintain roads properly can create significant costs to society. A 2009 report released by the American Association of State Highway and Transportation Officials estimated that about 50% of the roads in the US are in bad condition, with urban areas worse. The report estimates that urban drivers pay an average of $ 746/year on vehicle repairs while
11792-609: The lifespan of their roads. Technically advanced agencies monitor the road network surface condition with sophisticated equipment such as laser/inertial profilometers . These measurements include road curvature , cross slope , asperity , roughness , rutting and texture . Software algorithms use this data to recommend maintenance or new construction. Maintenance treatments for asphalt concrete generally include thin asphalt overlays, crack sealing, surface rejuvenating, fog sealing, micro milling or diamond grinding and surface treatments . Thin surfacing preserves, protects and improves
11926-683: The likes of Tiree and Coll are much flatter. Scotland comes from Scoti , the Latin name for the Gaels . Philip Freeman has speculated on the likelihood of a group of raiders adopting a name from an Indo-European root , * skot , citing the parallel in Greek skotos ( σκότος ), meaning "darkness, gloom". The Late Latin word Scotia ("land of the Gaels") was initially used to refer to Ireland, and likewise in early Old English Scotland
12060-409: The most mountainous region of the British Isles and contain its highest peak, Ben Nevis , at 4,413 feet (1,345 m). The region also contains many lakes, called lochs ; the term is also applied to the many saltwater inlets along the country's deeply indented western coastline. The geography of the many islands is varied. Some, such as Mull and Skye , are noted for their mountainous terrain, while
12194-405: The native Scots pine forest exist and within these areas the Scottish crossbill , the UK's only endemic bird species and vertebrate , can be found alongside capercaillie , Scottish wildcat , red squirrel and pine marten . Various animals have been re-introduced, including the white-tailed eagle in 1975, the red kite in the 1980s, and there have been experimental projects involving
12328-515: The new carriageway is not always constructed directly alongside the existing carriageway. Roads that are intended for use by a particular mode of transport can be reallocated for another mode of transport, i.e. by using traffic signs . For instance, in the ongoing road space reallocation effort, some roads (particularly in city centers) which are intended for use by cars are increasingly being repurposed for cycling and/or walking . Like all structures, roads deteriorate over time. Deterioration
12462-412: The ninth century, the Norse threat allowed a Gael named Kenneth I (Cináed mac Ailpín) to seize power over Pictland, establishing a royal dynasty to which the modern monarchs trace their lineage, and marking the beginning of the end of Pictish culture. The kingdom of Cináed and his descendants, called Alba, was Gaelic in character but existed on the same area as Pictland. By the end of the tenth century,
12596-460: The northern tip of Britain "Orcas", the source of the name of the Orkney islands. Most of modern Scotland was not incorporated into the Roman Empire , and Roman control over parts of the area fluctuated over a rather short period. The first Roman incursion into Scotland was in 79 AD, when Agricola invaded Scotland; he defeated a Caledonian army at the Battle of Mons Graupius in 83 AD. After
12730-477: The number of road traffic casualties from traffic collisions . In their World report on road traffic injury prevention report, the World Health Organization (WHO) identify speed control as one of various interventions likely to contribute to a reduction in road casualties. Road conditions are the collection of factors describing the ease of driving on a particular stretch of road, or on
12864-462: The number of Scottish MPs and widened the franchise to include more of the middle classes. From the mid-century, there were increasing calls for Home Rule for Scotland and the post of Secretary of State for Scotland was revived. Towards the end of the century prime ministers of Scottish descent included William Gladstone , and the Earl of Rosebery . In the late 19th century the growing importance of
12998-506: The owner may have excessive repair and rehabilitation costs. Some asphalt pavements are designed as perpetual pavements with an expected structural life in excess of 50 years. Many asphalt pavements built over 35 years ago, despite not being specifically designed as a perpetual pavement, have remained in good condition long past their design life. Many concrete pavements built since the 1950s have significantly outlived their intended design lives. Some roads like Chicago 's Wacker Drive ,
13132-418: The pavement performance, reduce construction costs and decrease maintenance. The completed roadway is finished by paving or left with a gravel or other natural surface. The type of road surface is dependent on economic factors and expected usage. Safety improvements such as traffic signs , crash barriers , raised pavement markers and other forms of road surface marking are installed. According to
13266-640: The political support for the exiled Catholic Stuart dynasty, remained a threat to the security of the British state under the Protestant House of Orange and the succeeding House of Hanover until the defeat of the Jacobite rising of 1745 . In 1698, the Company of Scotland attempted a project to secure a trading colony on the Isthmus of Panama . Almost every Scottish landowner who had money to spare
13400-576: The presence or absence of a made road has nothing to do with the distinction. Another legal view is that while a highway historically included footpaths , bridleways , driftways, etc., it can now be used to mean those ways that allow the movement of motor vehicles , and the term rights of way can be used to cover the wider usage. In the United States, laws distinguish between public roads , which are open to public use, and private roads , which are privately controlled. The assertion that
13534-483: The public so that drivers going through a particular area can be aware of hazards that may exist in that area. News agencies, in turn, rely on tips from area residents with respect to certain aspects of road conditions in their coverage area. Scotland – in Europe (green & dark grey) – in the United Kingdom (green) Scotland ( Scots : Scotland ; Scottish Gaelic : Alba )
13668-568: The region's people and animals, its cold climate, its pearls, and a noteworthy region of wooded hills ( Latin : saltus ) which the 2nd century AD Roman philosopher Ptolemy , in his Geography , described as being south-west of the Beauly Firth . The name Caledonia is echoed in the place names of Dunkeld , Rohallion , and Schiehallion . The Great Conspiracy constituted a seemingly coordinated invasion against Roman rule in Britain in
13802-577: The remnant of a once much larger volcano. This area is relatively low-lying, although even here hills such as the Ochils and Campsie Fells are rarely far from view. The Southern Uplands is a range of hills almost 125 miles (200 km) long, interspersed with broad valleys. They lie south of a second fault line (the Southern Uplands fault) that runs from Girvan to Dunbar . The geological foundations largely comprise Silurian deposits laid down some 400 to 500 million years ago. The high point of
13936-418: The reservoir, installing the backer rod and installing the sealant. Sawing, manual removal, plowing and cutting are methods used to remove the old sealant. Saws are used to shape the reservoir. When cleaning the reservoir, no dust, dirt or traces of old sealant should remain. Thus, it is recommended to water wash, sand-blast and then air blow to remove any sand, dirt or dust. The backer rod installation requires
14070-523: The rest of eastern Great Britain. Beginning in the sixth century, the area that is now Scotland was divided into three areas: Pictland , a patchwork of small lordships in central Scotland; the Anglo-Saxon Kingdom of Northumbria , which had conquered southeastern Scotland; and Dál Riata , which included territory in western Scotland and northern Ireland, and spread Gaelic language and culture into Scotland. These societies were based on
14204-494: The road conditions". Specific aspects of road conditions can be of particular importance for particular purposes. For example, for autonomous vehicles such as self-driving cars , significant road conditions can include "shadowing and lighting changes, road surface texture changes, and road markings consisting of circular reflectors, dashed lines, and solid lines". Various government agencies and private entities, including local news services, track and report on road conditions to
14338-399: The road construction area may be marked for retention. These protected trees should not have the topsoil within the area of the tree's drip line removed and the area should be kept clear of construction material and equipment. Compensation or replacement may be required if a protected tree is damaged. Much of the vegetation may be mulched and put aside for use during reinstatement. The topsoil
14472-512: The road construction site. Approval from local authorities may be required to draw water or for working (crushing and screening) of materials for construction needs. The topsoil and vegetation is removed from the borrow pit and stockpiled for subsequent rehabilitation of the extraction area. Side slopes in the excavation area not steeper than one vertical to two horizontal for safety reasons. Old road surfaces, fences, and buildings may need to be removed before construction can begin. Trees in
14606-473: The road, although they can be embedded in short, shallow trenches carved in the roadway, as is done in the mountainous regions of California. For major roads risk can be reduced by providing limited access from properties and local roads, grade separated junctions and median dividers between opposite-direction traffic to reduce the likelihood of head-on collisions. The placement of energy attenuation devices (e.g. guardrails, wide grassy areas, sand barrels)
14740-404: The roads of a particular locality, including the quality of the pavement surface , potholes , road markings, and weather . It has been reported that "[p]roblems of transportation participants and road conditions are the main factors that lead to road traffic accidents". It has further been specifically noted that "weather conditions and road conditions are interlinked as weather conditions affect
14874-467: The same monarch the kingdoms retained their separate parliaments, laws and other institutions. The first Union Jack was designed at James's behest, to be flown in addition to the St Andrew's Cross on Scots vessels at sea. James VI and I intended to create a single kingdom of Great Britain, but was thwarted in his attempt to do so by the Parliament of England , which supported the wrecking proposal that
15008-406: The section is deemed to comply. Geosynthetics such as geotextiles , geogrids , and geocells are frequently used in the various pavement layers to improve road quality. These materials and methods are used in low-traffic private roadways as well as public roads and highways. Geosynthetics perform four main functions in roads: separation, reinforcement, filtration, and drainage; which increase
15142-437: The slab. The grout can fill small voids beneath the slab and/or sub-base. The grout also displaces free water and helps keep water from saturating and weakening support under the joints and slab edge after stabilization is complete. The three steps for this method after finding the voids are locating and drilling holes, grout injection and post-testing the stabilized slabs. Slab stabilization does not correct depressions, increase
15276-610: The south-western peninsula of Kintyre ; Norway is 190 miles (305 km) to the northeast and the Faroe Islands , 168 miles (270 km) to the north. The territorial extent of Scotland is generally that established by the 1237 Treaty of York between Scotland and the Kingdom of England and the 1266 Treaty of Perth between Scotland and Norway. Important exceptions include the Isle of Man , which having been lost to England in
15410-419: The steer axle and 36,000 pounds (16.329 t) on both of the tandem axle groups is expected to do 7,800 times more damage than a passenger vehicle with 2,000 pounds (0.907 t) on each axle. Potholes on roads are caused by rain damage and vehicle braking or related construction work. Pavements are designed for an expected service life or design life . In some parts of the United Kingdom the standard design life
15544-485: The technological developments of the Industrial Revolution throughout Britain. In literature, the most successful figure of the mid-19th century was Walter Scott . His first prose work, Waverley in 1814, is often called the first historical novel. It launched a highly successful career that probably more than any other helped define and popularise Scottish cultural identity. In the late 19th century,
15678-805: The terms of the Auld Alliance and became the last monarch in Great Britain to die in battle, at Flodden in 1513. The war with England during the minority years of Mary, Queen of Scots between 1543 and 1551 is known as the Rough Wooing . In 1560, the Treaty of Edinburgh brought an end to the Siege of Leith and recognized the Protestant Elizabeth I as Queen of England. The Parliament of Scotland met and immediately adopted
15812-629: The threat of an English invasion, played a leading role in convincing the Scots elite to back a union with England. On 22 July 1706, the Treaty of Union was agreed between representatives of the Scots Parliament and the Parliament of England . The following year, twin Acts of Union were passed by both parliaments to create the united Kingdom of Great Britain with effect from 1 May 1707 with popular opposition and anti-union riots in Edinburgh , Glasgow , and elsewhere. The union also created
15946-511: The thrones of England and Ireland , forming a personal union of the three kingdoms . On 1 May 1707, Scotland and England combined to create the new Kingdom of Great Britain , with the Parliament of Scotland subsumed into the Parliament of Great Britain . In 1999, a Scottish Parliament was re-established, and has devolved authority over many areas of domestic policy . The country has its own distinct legal system , education system and religious history , which have all contributed to
16080-599: The total population, though state-sponsored revitalisation attempts have led to a growing community of second language speakers. The mainland of Scotland is broadly divided into three regions: the Highlands , a mountainous region in the north and north-west; the Lowlands , a flatter plain across the centre of the country; and the Southern Uplands , a hilly region along the southern border. The Highlands are
16214-694: The twelfth and thirteenth centuries, much of Scotland was under the control of a single ruler. Initially, Gaelic culture predominated, but immigrants from France, England and Flanders steadily created a more diverse society, with the Gaelic language starting to be replaced by Scots; and a modern nation-state emerged from this. At the end of this period, war against England started the growth of a Scottish national consciousness . David I (1124–1153) and his successors centralised royal power and united mainland Scotland, capturing regions such as Moray, Galloway , and Caithness , although he could not extend his power over
16348-418: The wettest, with annual rainfall in a few places exceeding 3,000 mm (120 in). In comparison, much of lowland Scotland receives less than 800 mm (31 in) annually. Heavy snowfall is not common in the lowlands, but becomes more common with altitude. Braemar has an average of 59 snow days per year, while many coastal areas average fewer than 10 days of lying snow per year. Scotland's wildlife
16482-513: The whole of Great Britain was forestalled by Roman forces becoming bogged down in punishing guerrilla warfare and the death of the senior emperor Septimius Severus ( r. 193–211 ) at Eboracum ( York ) after he was taken ill while on campaign. Although forts erected by the Roman army in the Severan campaign were placed near those established by Agricola and were clustered at the mouths of
16616-488: The wooden sailing vessels of both the merchant fleets and the battle fleets of the world. It became the world's pre-eminent shipbuilding centre. The industrial developments, while they brought work and wealth, were so rapid that housing, town planning, and provision for public health did not keep pace with them, and for a time living conditions in some of the towns and cities were notoriously bad, with overcrowding, high infant mortality, and growing rates of tuberculosis. While
16750-881: The working classes was marked by Keir Hardie 's success in the Mid Lanarkshire by-election, 1888 , leading to the foundation of the Scottish Labour Party , which was absorbed into the Independent Labour Party in 1895, with Hardie as its first leader. Glasgow became one of the largest cities in the world and known as "the Second City of the Empire " after London. After 1860, the Clydeside shipyards specialised in steamships made of iron (after 1870, made of steel), which rapidly replaced
16884-574: Was 35.1 °C (95.2 °F) at Floors Castle , Scottish Borders on 19 July 2022. The west of Scotland is usually warmer than the east, owing to the influence of Atlantic ocean currents and the colder surface temperatures of the North Sea . Tiree , in the Inner Hebrides, is one of the sunniest places in the country: it had more than 300 hours of sunshine in May 1975. Rainfall varies widely across Scotland. The western highlands of Scotland are
17018-445: Was a prominent supporter for the Treaty of Union between Scotland and England had changed his position on the treaty, and unsuccessfully advocated for the treaty to be reversed. The deposed Jacobite Stuart claimants had remained popular in the Highlands and north-east, particularly among non- Presbyterians , including Roman Catholics and Episcopalian Protestants . Two major Jacobite risings launched in 1715 and 1745 failed to remove
17152-497: Was built from 142 at the order of Hadrian's successor Antoninus Pius ( r. 138–161 ), defending the Roman part of Scotland from the unadministered part of the island, north of a line between the Firth of Clyde and the Firth of Forth . The Roman invasion of Caledonia 208–210 was undertaken by emperors of the imperial Severan dynasty in response to the breaking of a treaty by the Caledonians in 197, but permanent conquest of
17286-542: Was complex during this period: Scottish kings tried several times, sometimes with success, to exploit English political turmoil, followed by the longest period of peace between Scotland and England in the mediaeval period: from 1217–1296. The death of Alexander III in March 1286 broke the succession line of Scotland's kings. Edward I of England arbitrated between various claimants for the Scottish crown. In return for surrendering Scotland's nominal independence, John Balliol
17420-429: Was covered in forests, had more bog-land, and the main form of transport was by water. These settlers began building the first known permanent houses on Scottish soil around 9,500 years ago, and the first villages around 6,000 years ago. The well-preserved village of Skara Brae on the mainland of Orkney dates from this period. Neolithic habitation, burial, and ritual sites are particularly common and well preserved in
17554-399: Was one of the earliest and best-known missionaries. The Vikings began to raid Scotland in the eighth century. Although the raiders sought slaves and luxury items, their main motivation was to acquire land. The oldest Norse settlements were in northwest Scotland, but they eventually conquered many areas along the coast. Old Norse entirely displaced Pictish in the Northern Isles . In
17688-799: Was originally classified B2078 and was re-designated in the 1950s. The road has seen some upgrades to short sections at Park Wood (on the outskirts of Maidstone) and to the south of Sutton Valence. Road There are many types of roads , including parkways , avenues , controlled-access highways (freeways, motorways, and expressways), tollways , interstates , highways , thoroughfares , and local roads. The primary features of roads include lanes , sidewalks (pavement), roadways (carriageways), medians , shoulders , verges , bike paths (cycle paths), and shared-use paths . Historically many roads were simply recognizable routes without any formal construction or some maintenance. The Organization for Economic Co-operation and Development (OECD) defines
17822-477: Was pronounced king in 1292. In 1294, Balliol and other Scottish lords refused Edward's demands to serve in his army against the French. Scotland and France sealed a treaty on 23 October 1295, known as the Auld Alliance . War ensued, and John was deposed by Edward who took personal control of Scotland. Andrew Moray and William Wallace initially emerged as the principal leaders of the resistance to English rule in
17956-525: Was used for Ireland. By the 11th century at the latest, Scotia was being used to refer to (Gaelic-speaking) Scotland north of the River Forth , alongside Albania or Albany , both derived from the Gaelic Alba . The use of the words Scots and Scotland to encompass all of what is now Scotland became common in the Late Middle Ages . Prehistoric Scotland , before the arrival of
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