59-618: The Gregory Highway is a state highway in Queensland , Australia that serves the major coal -mining centres of Central Queensland . The highway was named after Augustus Gregory , an early explorer. The highway runs southward from Quartz Blow Creek, a point 31 kilometres (19 mi) west of Mount Surprise on the Gulf Developmental Road , via Charters Towers , to Springsure , over 900 kilometres (560 mi) away. The northern section of 756 kilometres (470 mi)
118-513: A Rustic Road system where local routes are purposefully maintained as dirt or gravel roads in order to not interfere with natural scenery and preserve them in their past state. County highway markers are usually a yellow-on-blue pentagon (the Manual on Uniform Traffic Control Devices standard pattern) or a black-on-white square (largely older signs). Some states, like Virginia and North Carolina , have no county highways in most of their counties:
177-668: A "highway" as only a way open for use by motor vehicles, but the California Supreme Court has held that "the definition of 'highway' in the Vehicle Code is used for special purposes of that act" and that canals of the Los Angeles neighborhood of Venice are "highways" that are entitled to be maintained with state highway funds. Large scale highway systems developed in the 20th century as automobile usage increased. The first United States limited-access road
236-553: A cost of $ 45.41 million, was due to be completed in late 2023. A project to upgrade a culvert near Porphyry Road, at a cost of $ 5,1 million, was due to be completed in late 2023. The Queensland Inland Freight Route is a proposal to upgrade the existing highways from Charters Towers to Mungindi . This would involve significant upgrades to the Gregory Highway between Charters Towers and Springsure. [REDACTED] Australian Roads portal Highway A highway
295-678: A cost of $ 7.9 million is scheduled for completion in mid-2023. This project was targeted for "early works" by the Queensland Government. A project to strengthen and widen sections of pavement on the Gregory Developmental Road between Charters Towers and The Lynd at a cost of $ 15.3 million is planned to be completed in mid-2023. This project is targeted for "early works" by the Queensland Government. A project to widen and strengthen 7 kilometres (4.3 mi) of pavement between Marble Creek and Christmas Creek, at
354-802: A five-year period." A 2021 study found that areas that obtained access to a new highway experienced a substantial increase in top-income taxpayers and a decline in low-income taxpayers. Highways also contributed to job and residential urban sprawl. Highways are extended linear sources of pollution . Roadway noise increases with operating speed so major highways generate more noise than arterial streets. Therefore, considerable noise health effects are expected from highway systems. Noise mitigation strategies exist to reduce sound levels at nearby sensitive receptors . The idea that highway design could be influenced by acoustical engineering considerations first arose about 1973. Air quality issues: Highways may contribute fewer emissions than arterials carrying
413-403: A highway available to vehicles is also available to foot or horse traffic, a highway available to horse traffic is available to cyclists and pedestrians; but there are exceptional cases in which a highway is only available to vehicles, or is subdivided into dedicated parallel sections for different users. A highway can share ground with a private right of way for which full use is not available to
472-438: A highway. Recent examples include toll bridges and tunnels which have the definition of highway imposed upon them (in a legal order applying only to the individual structure) to allow application of most traffic laws to those using them but without causing all of the general obligations or rights of use otherwise applicable to a highway. Limited access highways for vehicles, with their own traffic rules, are called "motorways" in
531-559: A letter. Many counties in Ohio use markers to designate county roads. Ohio's county roads vary widely in construction, signage, and naming from county to county. Seneca County uses the default blue pentagon marker and limited signage (generally only at intersections); Logan County uses a square white marker with a black border (similar to the St. Louis County design in Missouri) and signage
590-1100: A name determined by a standardized grid reference: "East 2000" would be a north–south road running 20 blocks/miles/km east of the designated zero point. Many other variations are also used. Many locales have somewhat arbitrarily assigned numbers for all county roads, but with no number-signage at all or only on standard street name blades. County roads and highways vary greatly in design standards, funding, and regularity of maintenance. Some county highways in urban areas are freeways or expressways . County roads that link communities or serve residential areas are often indistinguishable from state highways or residential streets. In rural areas, many county roads carry very little traffic and are maintained infrequently. They may be in poor condition (if paved) or not paved at all. In remote areas, county roads may be sand, gravel, or graded earth, only occasionally seeing foot, equestrian, and four wheel drive traffic. Some states, such as Wisconsin, use county highways in great numbers, linking major highways and cities or towns to each other. Wisconsin also maintains
649-530: A number (usually one or two digits), a single letter followed by a one- or two-digit number (i.e.: V-34, A-29), or in Rock Island County, with letters like Wisconsin but on a blue pentagon marker. These highways are usually marked at the beginning of the highway and occasionally throughout the route; they cannot be relied on as geographic directions the way more major highways are (state or interstate). In New Jersey , there are two sets of county routes:
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#1732764705812708-560: A number of similarly worded definitions such as "a way over which all members of the public have the right to pass and repass without hindrance" usually accompanied by "at all times"; ownership of the ground is for most purposes irrelevant, thus the term encompasses all such ways from the widest trunk roads in public ownership to the narrowest footpath providing unlimited pedestrian access over private land. A highway might be open to all forms of lawful land traffic (e.g. vehicular, horse, pedestrian) or limited to specific modes of traffic; usually
767-409: A public highway is also known as " The King's Highway ". The core definition of a highway is modified in various legislation for a number of purposes but only for the specific matters dealt with in each such piece of legislation. This is typically in the case of bridges, tunnels and other structures whose ownership, mode of use or availability would otherwise exclude them from the general definition of
826-669: A public road is not included in the relevant statistics. The United States has the world's largest network of highways, including both the Interstate Highway System and the United States Numbered Highway System . At least one of these networks is present in every state and they interconnect most major cities. It is also the world's most expensive mega-project, as the entirety of the Interstate Highway System
885-635: Is a road in the United States and in the Canadian province of Ontario that is designated and/or maintained by the county highway department. Route numbering can be determined by each county alone, by mutual agreement among counties, or by a statewide pattern. Any county-maintained road, whether or not it is given a signed number, can be called a county road. Depending on the state or province and county, these roads can be named after geographic features, communities, or people. Or they may be assigned
944-464: Is a significant negative externality which is difficult to evaluate quantitatively, making it difficult (but not impossible) to include in transport economics-based research and analysis. Congestion is considered a negative externality by economists. A 2016 study found that for the United States, "a 10% increase in a region's stock of highways causes a 1.7% increase in regional patenting over
1003-432: Is any public or private road or other public way on land. It includes not just major roads, but also other public roads and rights of way . In the United States, it is also used as an equivalent term to controlled-access highway , or a translation for motorway , Autobahn , autostrada , autoroute , etc. According to Merriam-Webster , the use of the term predates the 12th century. According to Etymonline , "high"
1062-413: Is being popular in many cities to combat most of the social problems caused from highways. In transport, demand can be measured in numbers of journeys made or in total distance travelled across all journeys (e.g. passenger-kilometres for public transport or vehicle-kilometres of travel (VKT) for private transport ). Supply is considered to be a measure of capacity. The price of the good (travel)
1121-757: Is designated by the state government as the Gregory Developmental Road . The shorter southern section between Clermont and Springsure (174 kilometres (108 mi)) is designated the Gregory Highway . As of 2015, the first 120 kilometres (75 mi) between the Gulf Developmental Road via Einasleigh to the Lynd Junction are unsealed and may be corrugated. The next section to Charters Towers has been upgraded from single lane to mostly dual-laned bitumen . The road
1180-572: Is former Highway 620, which had a change in supervision. This is to be contrasted with survey township roads which exist in Alberta after the 1981 Alberta rural addressing system was introduced. Range roads will run north to south, while (survey) township roads run east to west. Highway 620 in Ontario, was downloaded to the Peterborough and Hastings county governments, and in one section,
1239-467: Is in the sense of "main". In North American and Australian English , major roads such as controlled-access highways or arterial roads are often state highways (Canada: provincial highways ). Other roads may be designated " county highways " in the US and Ontario . These classifications refer to the level of government (state, provincial, county) that maintains the roadway. In British English , "highway"
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#17327647058121298-504: Is measured using the generalised cost of travel, which includes both money and time expenditure. The effect of increases in supply (capacity) are of particular interest in transport economics (see induced demand ), as the potential environmental consequences are significant (see externalities below). In addition to providing benefits to their users, transport networks impose both positive and negative externalities on non-users. The consideration of these externalities—particularly
1357-520: Is nearly comparable to state route signage, with advance signage of intersections with county roads and termini; and Scioto County uses a marker with a county outline. In Canada , numbered county roads are only found in Ontario , where they are similar to American county highways. Ontario county or regional roads are marked with trapezoid-shaped signs, usually (but not necessarily) with a white, black, green, or blue background, and normally identifying
1416-428: Is primarily a legal term. Everyday use normally implies roads, while the legal use covers any route or path with a public right of access, including footpaths etc. The term has led to several related derived terms, including highway system , highway code , highway patrol and highwayman . Major highways are often named and numbered by the governments that typically develop and maintain them. Australia's Highway 1
1475-773: Is the longest national highway in the world at over 14,500 kilometres (9,000 mi) and runs almost the entire way around the continent. China has the world's largest network of highways, followed closely by the United States. Some highways, like the Pan-American Highway or the European routes , span multiple countries. Some major highway routes include ferry services, such as US Route 10 , which crosses Lake Michigan . Traditionally highways were used by people on foot or on horses . Later they also accommodated carriages , bicycles and eventually motor cars , facilitated by advancements in road construction . In
1534-460: Is used by many road trains . The Northern Australia Beef Roads Program announced in 2016 included the following project for the Gregory Developmental Road. The project to widen the road south of Charters Towers is expected to be completed in early 2023 at a total cost of $ 5.79 million. The Roads of Strategic Importance initiative, last updated in March 2022, includes the following projects for
1593-565: The 500-series (500–599), part of a statewide system which usually run through multiple counties, but are county-maintained; and the non-500 routes which are usually contained within a single county and are repeated in different counties. The latter generally use numbers in the 600-series; some counties have routes in the 700s and 800s. Two counties, Bergen and Monmouth, along with some routes in Ocean County, have routes outside this range with one- or two-digit numbers along with some numbers in
1652-525: The 100s. New Jersey's county routes are usually signed just as well as state routes (with mile- and half-mileposts), and will appear on freeway exit signage. In Iowa , secondary roads are defined simply by the Iowa Code as "those roads under county jurisdiction." The 99 counties in Iowa divide the secondary road system into farm-to-market roads and area service roads. Farm-to-market roads are maintained by
1711-419: The 1920s and 1930s, many nations began investing heavily in highway systems in an effort to spur commerce and bolster national defence. Major highways that connect cities in populous developed and developing countries usually incorporate features intended to enhance the road's capacity, efficiency, and safety to various degrees. Such features include a reduction in the number of locations for user access ,
1770-716: The County State Aid Highway Fund. Differences in signage between CSAH routes and other county roads depends on the county. Some counties, such as Stearns County, delineate between the two by using the standard blue pentagon marker for CSAH routes and a normal white square marker for other county roads. Most county roads in Minnesota are designated with numbers, although a few non-CSAHs in Dodge County utilize letters. A few roads that cross county borders are also signed with an inter-county designation and
1829-643: The Gregory Highway. A lead project to upgrade the Townsville to Roma corridor, including sections of the Carnarvon , Dawson and Gregory Highways and surrounding state and council roads, at an estimated cost of $ 125 million, commenced construction of some work projects in 2020. Planning continues for other projects. A project to upgrade the intersection with the Capricorn Highway in Emerald at
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1888-427: The U.S., many of these effects are from racist planning practices from before the advent of civil rights . This would result in the vast majority of displacement and social effects mostly going to people like African Americans. In recent times, the use of freeway removal or the public policy of urban planning to demolish freeways and create mixed-use urban areas, parks, residential, commercial, or other land uses
1947-671: The UK. Scots law is similar to English law with regard to highways but with differing terminology and legislation. What is defined in England as a highway will often in Scotland be what is defined by s.151 Roads (Scotland) Act 1984 (but only "in this act" although other legislation could imitate) simply as a road , that is: The word highway is itself no longer a statutory expression in Scots law but remains in common law. In American law,
2006-475: The United States, county highways are denoted or signed in various ways, differing by state. In Wisconsin , county highways are marked with letters—with one- to three-letter combinations (i.e.: C, CC, or CCC). Wisconsin's county highways are frequently and clearly marked at most intersections. Because county road names are not exclusive, a state may have many county roads with similar or identical names. In states like Illinois , county highways are marked either with
2065-951: The county and, paid for from a special fund: the Farm-to-Market Road Fund consists of federal secondary-road aid and 8% of Iowa's road use taxes. The farm-to-market road system is limited to 35,000 miles (56,000 km). Unlike most states, Iowa's signed secondary roads are not numbered on a county-by-county basis. With exception to County Road 105 , secondary roads use a uniform numbering grid using one letter and two or three numbers, e.g., E41. County roads running primarily east and west are assigned letters (from north to south) A through J. County roads running primarily north and south are assigned letters (from west to east) K through Z. The letters I, O, Q, and U are not used. In Minnesota , some county roads are known as county state aid highways . These roads are constructed and maintained by counties, but they are eligible for funding from
2124-569: The county or region responsible for the road's maintenance, sometimes with the jurisdiction's coat of arms or corporate logo . The county road network has been present for many years, but has only been signed with the flowerpot logos since the 1970s and early 1980s (depending on the area). Previously, the roads simply had road names, such as "Essex Road 42" or "Kent County Road 14", and so on, but had no markers to designate them. Many Ontario county roads are built to provincial highway standards, as thousands of kilometres of highways were downloaded from
2183-469: The federal government's Manual on Uniform Traffic Control Devices ). Italy was the first country in the world to build controlled-access highways reserved for fast traffic and for motor vehicles only. The Autostrada dei Laghi ("Lakes Highway"), the first built in the world, connecting Milan to Lake Como and Lake Maggiore , and now parts of the A8 and A9 highways, was devised by Piero Puricelli and
2242-431: The general public: for example farm roads which the owner may use for any purpose but for which the general public only has a right of use on foot or horseback. The status of highway on most older roads has been gained by established public use, while newer roads are typically dedicated as highways from the time they are adopted (taken into the care and control of a council or other public authority). In England and Wales,
2301-572: The highway was downloaded further to the township of Wollaston , and is now signed Wollaston Township 620, with a municipal sign similar to an Ontario tertiary highway . A number of townships in Wellington County sign their township road system in a similar manner. In England and Wales , county road , as alluded to in section 29 et seq. of the Local Government Act 1929, was the term used to refer to any road for which
2360-618: The jurisdiction which maintains them, they may instead be designated as a Regional Road , Municipal Road , Regional Highway , County Highway , District Road , Township Road , or City Road . In the unincorporated districts of Northern Ontario , as there is no county level of government the province maintains a secondary highway system to serve the same function. In addition to county roads, many civil townships also have concession roads and (civil) township roads, such as Colchester South Road 3, and Concession 8. These usually do not have markers (only names on signs and maps). One exception
2419-463: The negative ones—is a part of transport economics. Positive externalities of transport networks may include the ability to provide emergency services , increases in land value and agglomeration benefits . Negative externalities are wide-ranging and may include local air pollution , noise pollution , light pollution , safety hazards , community severance and congestion . The contribution of transport systems to potentially hazardous climate change
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2478-513: The network. In South Korea , in February 1995 a bus lane (essentially an HOV -9) was established between the northern terminus and Sintanjin for important holidays and on 1 July 2008 bus lane enforcement between Seoul and Osan (Sintanjin on weekends) became daily between 6 a.m. and 10 p.m. On 1 October this was adjusted to 7 a.m. to 9 p.m. weekdays, and 9 a.m. to 9 p.m. weekends. In Hong Kong , some highways are set up with bus lanes to solve
2537-432: The number of intersections. They can also reduce the use of public transport , indirectly leading to greater pollution. High-occupancy vehicle lanes are being added to some newer/reconstructed highways in the United States and other countries around the world to encourage carpooling and mass transit. These lanes help reduce the number of cars on the highway and thus reduces pollution and traffic congestion by promoting
2596-659: The planning stage, this extra traffic may lead to the new road becoming congested sooner than would otherwise be anticipated by considering increases in vehicle ownership. More roads allow drivers to use their cars when otherwise alternatives may have been sought, or the journey may not have been made, which can mean that a new road brings only short-term mitigation of traffic congestion. Where highways are created through existing communities, there can be reduced community cohesion and more difficult local access. Consequently, property values have decreased in many cutoff neighborhoods, leading to decreased housing quality over time. Mostly in
2655-415: The province to counties and regional municipalities in 1997 and 1998, and most of the downloaded highways were rolled into the county road systems. In some situations, these in turn were downloaded from the region/county to the local municipalities. Not all jurisdictions in Ontario which maintain a numbered road system use the name "County Road" to designate them, however — depending on the official name of
2714-426: The roads around the world each year and was the leading cause of death among children 10–19 years of age. The report also noted that the problem was most severe in developing countries and that simple prevention measures could halve the number of deaths. For reasons of clear data collection, only harm involving a road vehicle is included. A person tripping with fatal consequences or dying for some unrelated reason on
2773-534: The safety performance of roads and streets, and methods used to reduce the harm (deaths, injuries, and property damage) on the highway system from traffic collisions . It includes the design, construction and regulation of the roads , the vehicles used on them and the training of drivers and other road-users. A report published by the World Health Organization in 2004 estimated that some 1.2 million people were killed and 50 million injured on
2832-634: The same vehicle volumes. This is because high, constant-speed operation creates an emissions reduction compared to vehicular flows with stops and starts. However, concentrations of air pollutants near highways may be higher due to increased traffic volumes. Therefore, the risk of exposure to elevated levels of air pollutants from a highway may be considerable, and further magnified when highways have traffic congestion . New highways can also cause habitat fragmentation , encourage urban sprawl and allow human intrusion into previously untouched areas, as well as (counterintuitively) increasing congestion, by increasing
2891-449: The state government maintains all roads in unincorporated areas. In West Virginia , the state maintains secondary roads though they may be designated as county routes. Other states, like Connecticut , have no county routes because there is no government at the county level. Alaska 's county-equivalent boroughs maintain roads in unincorporated areas but none are numbered. Louisiana 's county equivalent of parishes have parish routes. In
2950-708: The traffic congestion. Traffic congestion was a principal problem in major roads and highways in the Philippines , especially in Metro Manila and other major cities. The government decided to set up some bus lanes in Metro Manila like in the Epifanio delos Santos Avenue . The following is a list of highways by country in alphabetical order. County highway A county highway (also county road or county route ; usually abbreviated CH or CR )
3009-488: The use of dual carriageways with two or more lanes on each carriageway, and grade-separated junctions with other roads and modes of transport. These features are typically present on highways built as motorways ( freeways ). The general legal definition deals with right of use, not the form of construction; this is distinct from e.g. the popular use of the word in the US. A highway is defined in English common law by
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#17327647058123068-445: The use of carpooling in order to be able to use these lanes. However, they tend to require dedicated lanes on a highway, which makes them difficult to construct in dense urban areas where they are the most effective. To address habitat fragmentation, wildlife crossings have become increasingly popular in many countries. Wildlife crossings allow animals to safely cross human-made barriers like highways. Road traffic safety describes
3127-837: The usual principle that a road available to vehicular traffic was also available to horse or pedestrian traffic as is usually the only practical change when non-motorways are reclassified as special roads . The first section of motorway in the UK opened in 1958 (part of the M6 motorway) and then in 1959 the first section of the M1 motorway . Often reducing travel times relative to city or town streets, highways with limited access and grade separation can create increased opportunities for people to travel for business, trade or pleasure and also provide trade routes for goods. Highways can reduce commute and other travel time but additional road capacity can also release latent traffic demand . If not accurately predicted at
3186-456: The word "highway" is sometimes used to denote any public way used for travel, whether a "road, street, and parkway"; however, in practical and useful meaning, a "highway" is a major and significant, well-constructed road that is capable of carrying reasonably heavy to extremely heavy traffic. Highways generally have a route number designated by the state and federal departments of transportation. California Vehicle Code, Sections 360, 590, define
3245-576: Was constructed on Long Island, New York, and known as the Long Island Motor Parkway or the Vanderbilt Motor Parkway. It was completed in 1911. It included many modern features, including banked turns , guard rails and reinforced concrete tarmac . Traffic could turn left between the parkway and connectors, crossing oncoming traffic, so it was not a controlled-access highway (or "freeway" as later defined by
3304-483: Was estimated to cost $ 27 billion in 1955 (equivalent to $ 240 billion in 2023 ). China's highway network is the second most extensive in the world, with a total length of about 3,573,000 kilometres (2,220,000 mi). China's expressway network is the longest Expressway system in the world, and it is quickly expanding, stretching some 85,000 kilometres (53,000 mi) at the end of 2011. In 2008 alone, 6,433 kilometres (3,997 mi) expressways were added to
3363-566: Was inaugurated in 1924. This highway, called autostrada , contained only one lane in each direction and no interchanges. The Southern State Parkway opened in 1927, while the Long Island Motor Parkway was closed in 1937 and replaced by the Northern State Parkway (opened 1931) and the contiguous Grand Central Parkway (opened 1936). In Germany, construction of the Bonn-Cologne Autobahn began in 1929 and
3422-626: Was opened in 1932 by Konrad Adenauer , then the mayor of Cologne . Soon the Autobahn was the first limited-access, high-speed road network in the world, with the first section from Frankfurt am Main to Darmstadt opening in 1935. In the US, the Federal Aid Highway Act of 1921 (Phipps Act) enacted a fund to create an extensive highway system. In 1922, the first blueprint for a national highway system (the Pershing Map )
3481-576: Was published. The Federal Aid Highway Act of 1956 allocated $ 25 billion for the construction of the 66,000-kilometre-long (41,000 mi) Interstate Highway System over a 20-year period. In Great Britain , the Special Roads Act 1949 provided the legislative basis for roads for restricted classes of vehicles and non-standard or no speed limits applied (later mostly termed motorways but now with speed limits not exceeding 70 mph); in terms of general road law this legislation overturned
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