A detour or ( British English : diversion ) is a (normally temporary) route taking traffic around an area of prohibited or reduced access, such as a construction site. Standard operating procedure for many roads departments is to route any detour over roads within the same jurisdiction as the road with the obstructed area.
65-444: On multi-lane highways (e.g., freeways , expressways , city streets, etc.), usually traffic shifts can replace a detour, as detours often congest turn lanes. Depending on the roadway affected, and the scope of construction, different types of detours may be used. The most basic is to simply close a stretch of roadway for a defined period of time, diverting all traffic around the site. Other types of detours may also be used, such as
130-668: 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
195-561: A day will need to use a detour, and agree on the fee per train-mile the detouring company will pay in exchange. Highway A highway 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 ,
260-480: A detour that is only in effect at night, only in effect during weekends, or a detour that restricts through traffic while permitting local traffic such as residents and delivery vehicles. Which type of detour to use is decided by a variety of factors – a full closure of a road means construction can be completed more quickly, but also means a more severe impact on traffic. Detours require signage to notify drivers, especially those who are not local and are unfamiliar with
325-802: 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
390-399: A frontal impact. In such a situation, an adult pedestrian is struck by a car front (for instance, the bumper touches either the leg or knee-joint area), accelerating the lower part of the body forward while "the upper body is rotated and accelerated relative to the car," at which point the pelvis and thorax are hit. Then the head hits the windscreen at the velocity of the striking car. Finally,
455-467: A high priority in many large cities in Western Europe, often in conjunction with public transport enhancements. In Copenhagen , the world's longest pedestrian shopping area, Strøget , has been developed over the last 40 years, principally due to the work of Danish architect Jan Gehl , a principle of urban design known as copenhagenisation . Safety is an important issue where cars can cross
520-403: 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
585-438: 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
650-560: 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
715-547: A process of removing vehicular traffic from city streets or restricting vehicular access to streets for use by pedestrians, to improve the environment and safety. Efforts are under way by pedestrian advocacy groups to restore pedestrian access to new developments, especially to counteract newer developments, 20% to 30% of which in the United States do not include footpaths. Some activists advocate large pedestrian zones where only pedestrians, or pedestrians and some non-motorised vehicles, are allowed. Many urbanists have extolled
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#1732797933947780-409: 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
845-669: 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
910-480: A road with no footpath. Indoor pedestrian networks connect the different rooms or spaces of a building. Airports, museums, campuses, hospitals and shopping centres might have tools allowing for the computation of the shortest paths between two destinations. Their increasing availability is due to the complexity of path finding in these facilities. Different mapping tools, such as OpenStreetMap , are extending to indoor spaces. Pedestrianisation might be considered as
975-417: A road; these include urban short cuts and also rural paths used mainly by ramblers, hikers, or hill-walkers. Footpaths in mountainous or forested areas may also be called trails . Pedestrians share some footpaths with horses and bicycles: these paths may be known as bridleways. Other byways used by walkers are also accessible to vehicles . There are also many roads with no footpath. Some modern towns (such as
1040-416: A significant natural disaster renders a railroad route inaccessible until it can be repaired, though they may also be used when a line is out of service for maintenance. In North America, the various railroad companies have agreed to cooperate when one company needs to detour its trains onto the tracks of a different company. The railroad detouring trains will arrange with the "host" railroad(s) how many trains
1105-425: A vehicle. The Traffic Injury Research Foundation describes pedestrians as vulnerable road users because they are not protected in the same way as occupants of motor vehicles. There is an increasing focus on pedestrians versus motor vehicles in many countries. Most pedestrian injuries occur while they are crossing a street. Most crashes involving a pedestrian occur at night. Most pedestrian fatalities are killed by
1170-562: Is a footbridge . In Britain, regardless of whether there is a footpath, pedestrians have the legal right to use most public roads, excluding motorways and some toll tunnels and bridges such as the Blackwall Tunnel and the Dartford Crossing — although sometimes it may endanger the pedestrian and other road users. The UK Highway Code advises that pedestrians should walk in the opposite direction to oncoming traffic on
1235-401: 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
1300-413: 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)
1365-572: Is greater than 40 km/h. Among the factors which reduce road safety for pedestrians are wider lanes, roadway widening, and roadways designed for higher speeds and with increased numbers of traffic lanes. For this reason, some European cities such as Freiburg (Germany) have lowered the speed limit to 30 km/h on 90% of its streets, to reduce risk for its 15 000 people. With such policy, 24% of daily trips are performed by foot, against 28% by bicycles, 20% by public transport and 28% by car. (See Zone 30 .) A similar set of policies to discourage
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#17327979339471430-583: Is important both for human health and for the natural environment . Frequent exercise such as walking tends to reduce the chance of obesity and related medical problems. In contrast, using a car for short trips tends to contribute both to obesity and via vehicle emissions to climate change: internal combustion engines are more inefficient and highly polluting during their first minutes of operation (engine cold start). General availability of public transportation encourages walking, as it will not, in most cases, take one directly to one's destination. In Unicode ,
1495-504: 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
1560-773: 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
1625-665: The 1000 hours. Since the 20th century, interest in walking as a sport has dropped. Racewalking is still an Olympic sport, but fails to catch public attention as it did. However major walking feats are still performed, such as the Land's End to John o' Groats walk in the United Kingdom, and the traversal of North America from coast to coast. The first person to walk around the world was Dave Kunst who started his walk traveling east from Waseca, Minnesota on 20 June 1970 and completed his journey on 5 October 1974, when he re-entered
1690-419: 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 ,
1755-1204: The Netherlands, 4.3 in Sweden, 4.5 in Wales, 5.3 in New Zealand, 6.0 in Germany; 7.1 in the whole United Kingdom, 7.5 in Australia, 8.4 in France, 8.4 in Spain, 9.4 in Italy, 11.1 in Israel, 13 in Japan, 13.8 in Greece, 18.5 in the United States, 22.9 in Poland, and 36.3 in Romania. It is well documented that a minor increase in speed might greatly increase the likelihood of a crash, and exacerbate resulting casualties. For this reason,
1820-427: 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
1885-671: 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,
1950-672: The US, some pedestrians have just 40 seconds to cross a street 10 lanes wide. Pedestrian fatalities are much more common in accident situations in the European Union than in the United States. In the European Union countries, more than 200,000 pedestrians and cyclists are injured annually. Also, each year, more than 270 000 pedestrians lose their lives on the world's roads. At a global level pedestrians constitute 22% of all road deaths, but might be two-thirds in some countries. Pedestrian fatalities, in 2016, were 2.6 per million population in
2015-469: 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
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2080-431: 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,
2145-463: 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
2210-513: 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
2275-669: The new suburbs of Peterborough in England) are designed with the network of footpaths and cycle paths almost entirely separate from the road network. The term trail is also used by the authorities in some countries to mean any footpath that is not attached to a road or street. If such footpaths are in urban environments and are meant for both pedestrians and pedal cyclists, they can be called shared use paths or multi-use paths in general and official usage. нуПЬ Some shopping streets are for pedestrians only. Some roads have special pedestrian crossings . A bridge solely for pedestrians
2340-432: 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
2405-481: The pedestrian way. Drivers and pedestrians share some responsibility for improving safety of road users. Road traffic crashes are not inevitable; they are both predictable and preventable. Key risks for pedestrians are well known. Among the well-documented factors are driver behaviour (including speeding and drunk driving); infrastructure missing facilities (including pavements, crossings and islands ); and vehicle designs which are not forgiving to pedestrians struck by
2470-659: 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
2535-620: The primary means of human locomotion. The first humans to migrate from Africa, about 60,000 years ago, walked. They walked along the coast of India to reach Australia. They walked across Asia to reach the Americas, and from Central Asia into Europe. With the advent of the cars at the beginning of the 20th century, the main story is that the cars took over, and "people chose the car", but there were many groups and movements that held on to walking as their preferred means of daily transport and some who organised to promote walking, and to counterbalance
2600-781: The recommended maximum speed is 30 km/h (20 mph) or 40 km/h (25 mph) in residential and high pedestrian traffic areas, with enforced traffic rules on speed limits and traffic-calming measures. The design of road and streets plays a key role in pedestrian safety. Roads are too often designed for motorized vehicles, without taking into account pedestrian and bicycle needs. The non-existence of sidewalk and signals increases risk for pedestrians. This defect might more easily be observed on arterial roadways, intersections and fast-speed lanes without adequate attention to pedestrian facilities. For instance, an assessment of roads in countries from many continents shows that 84% of roads are without pedestrian footpaths, while maximum limited speed
2665-466: The road network in an area. Creating a detour imposes costs on motorists, along with wear and tear on the detour route. When a detour from a highway travels over local streets, they may first be reinforced to handle highway level traffic. Detours may be used for trains as well. Implementing detours is more difficult for railroads, as rail networks do not have the many redundant pathways offered by road networks. Railroad detours are most commonly used when
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2730-426: 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
2795-473: The roadway. In British English , "highway" 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
2860-534: 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
2925-634: 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
2990-409: The site of 46% of all pedestrian deaths in the country. The advent of SUVs is considered a leading cause; speculation of other factors includes population growth, driver distraction with mobile phones, poor street lighting, alcohol and drugs and speeding. Cities have had mixed results in addressing pedestrian safety with Vision zero plan: Los Angeles fails while NYC has had success. Nonetheless, in
3055-452: The term usually refers to someone walking on a road or pavement (US: sidewalk), but this was not the case historically. Pedestrians may also be wheelchair users or other disabled people who use mobility aids . The meaning of pedestrian is displayed with the morphemes ped- ('foot') and -ian ('characteristic of'). This word is derived from the Latin term pedester ('going on foot') and
3120-634: The town from the west. These feats are often tied to charitable fundraising and are undertaken, among others, by celebrities such as Sir Jimmy Savile and Ian Botham . Roads often have a designated footpath for pedestrian traffic , called the sidewalk in North American English , the pavement in British English , and the footpath in Australian and New Zealand English . There are also footpaths not associated with
3185-707: 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. Pedestrian A pedestrian is a person traveling on foot, whether walking or running. In modern times,
3250-488: 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
3315-445: 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
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#17327979339473380-605: The use of cars and increase safety for pedestrians has been implemented by the Northern European capitals of Oslo and Helsinki. In 2019, this resulted in both cities counting zero pedestrian deaths for the first time. In Europe, pedestrian fatalities have a seasonal factor, with 6% of annual fatalities occurring in April but 13% (twice more) in December. The rationale for such a change might be complex. Regular walking
3445-455: The use of the term predates the 12th century. According to Etymonline , "high" 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
3510-837: 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
3575-438: The victim falls to the ground. Research has shown that urban crimes, or the mere perception of crimes, severely affect the mental and physical health of pedestrians. Inter-pedestrian behaviour, without the involvement of vehicles, is also a key factor to pedestrian safety. Some special interest groups consider pedestrian fatalities on American roads a carnage. Five states – Arizona, California, Florida, Georgia and Texas – are
3640-533: The virtues of pedestrian streets in urban areas. In the US the proportion of households without a car is 8%, but a notable exception is New York City , the only locality in the United States where more than half of all households do not own a car (the figure is even higher in Manhattan, over 75%). The use of cars for short journeys is officially discouraged in many parts of the world, and construction or separation of dedicated walking routes in city centres receives
3705-492: The widely-held view that often favoured cars, e.g. as related by Peter Norton . During the 18th and 19th centuries, pedestrianism (walking) was non a popular spectator sport, just as equestrianism (riding) still is in places. One of the most famous pedestrians of that period was Captain Robert Barclay Allardice , known as "The Celebrated Pedestrian", of Stonehaven in Scotland. His most impressive feat
3770-456: 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
3835-576: 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
3900-483: 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
3965-460: Was first used (in the English language) during the 18th century. It was originally used, and can still be used today, as an adjective meaning plain or dull. However, in this article it takes on its noun form and refers to someone who walks. The word pedestrian may have been used in middle French in the Recueil des Croniques et Anchiennes Istories de la Grant Bretaigne . Walking has always been
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#17327979339474030-566: 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
4095-626: 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 )
4160-576: 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
4225-410: Was to walk 1 mile (1.6 km) every hour for 1000 hours, which he achieved between 1 June and 12 July 1809. This feat captured many people's imagination, and around 10,000 people came to watch over the course of the event. During the rest of the 19th century, many people tried to repeat this feat, including Ada Anderson who developed it further and walked a half-mile (800 m) each quarter-hour over
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