112-483: [REDACTED] Look up expressway in Wiktionary, the free dictionary. Expressway may refer to: Controlled-access highway , the highest-grade type of highway with access ramps, lane markings, etc., for high-speed traffic Limited-access road , a lower grade of highway or arterial road Expressway (film) , a 2016 Filipino action thriller film Expressway,
224-663: A dual highway ) in 1932 between Cologne and Bonn . It then rapidly constructed the first nationwide system of such roads. The first North American freeways (known as parkways) opened in the New York City area in the 1920s. Britain, heavily influenced by the railways, did not build its first motorway , the Preston By-pass ( M6 ), until 1958. Most technologically advanced nations feature an extensive network of freeways or motorways to provide high-capacity urban travel, or high-speed rural travel, or both. Many have
336-405: A filling station , charging station , lavatories, toilets, and baby changes. Most rest areas also have restaurants, shops, public telephones, Internet access, and a playground. Some have hotels. Mandated every 50 kilometres (31 mi) or so, rest areas are usually open all night. Both kinds of rest areas are directly on the autobahn, with their own exits, and any service roads connecting them to
448-466: A median separates the opposite directions of traffic. This strip may be as simple as a grassy area, or may include a crash barrier such as a " Jersey barrier " or an "Ontario Tall Wall" to prevent head-on collisions . On some freeways, the two carriageways are built on different alignments; this may be done to make use of available corridors in a mountainous area or to provide narrower corridors through dense urban areas . Control of access relates to
560-476: A 20% plunge in sales, which they attributed in part to the lowered speed limits. The 100 km/h limit championed by Transportation Minister Lauritz Lauritzen lasted 111 days. Adjacent nations with unlimited speed autobahns, Austria and Switzerland, imposed permanent 130 km/h (81 mph) limits after the crisis. However, after the crisis eased in 1974, the upper house of the German parliament , which
672-601: A centre median like modern motorways, but instead was termed a Kraftfahrstraße ("motor vehicle road") with two lanes each direction without intersections, pedestrians, bicycles, or animal-powered transportation. Just days after the 1933 Nazi takeover, Adolf Hitler enthusiastically embraced an ambitious autobahn construction project, appointing Fritz Todt , the Inspector General of German Road Construction, to lead it. By 1936, 130,000 workers were directly employed in construction, as well as an additional 270,000 in
784-561: A class of highways with somewhat less isolation from other traffic. In countries following the Vienna convention , the motorway qualification implies that walking and parking are forbidden. A fully controlled-access highway provides an unhindered flow of traffic, with no traffic signals , intersections or property access . They are free of any at-grade crossings with other roads, railways, or pedestrian paths, which are instead carried by overpasses and underpasses . Entrances and exits to
896-707: A cloverleaf and trumpet interchange when it opened in 1937, and until the Second World War , boasted the longest illuminated stretch of roadway built. A decade later, the first section of Highway 401 was opened, based on earlier designs. It has since gone on to become the busiest highway in the world. The word freeway was first used in February 1930 by Edward M. Bassett . Bassett argued that roads should be classified into three basic types: highways, parkways , and freeways. In Bassett's zoning and property law -based system, abutting property owners have
1008-620: A freeway, specialized pedestrian footbridges or tunnels may also be provided. These structures enable pedestrians and cyclists to cross the freeway at that point without a detour to the nearest road crossing. Access to freeways is typically provided only at grade-separated interchanges , though lower-standard right-in/right-out (left-in/left-out in countries that drive on the left) access can be used for direct connections to side roads. In many cases, sophisticated interchanges allow for smooth, uninterrupted transitions between intersecting freeways and busy arterial roads . However, sometimes it
1120-470: A general speed limit. In the mid-1980s, acid rain and sudden forest destruction renewed debate on whether or not a general speed limit should be imposed on autobahns. A car's fuel consumption increases with high speed, and fuel conservation is a key factor in reducing air pollution. Environmentalists argued that enforcing limits of 100 km/h (62 mph) limit on autobahns and 80 km/h (50 mph) on other rural roads would save lives as well as
1232-637: A historical association with war-time restrictions and deprivations, the Nazi era, and the Soviet era in East Germany. After the Nazi dictatorship, German society was happy to overcome the traumas of war by freeing itself from most government restrictions, prohibitions and regulations. "Free driving for free citizens" ("freie Fahrt für freie Bürger"), a slogan promoted by the German Auto Club since
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#17327724228021344-434: A larger number of guide signs than other roads, and the signs themselves are physically larger. Guide signs are often mounted on overpasses or overhead gantries so that drivers can see where each lane goes. Exit numbers are commonly derived from the exit's distance in miles or kilometers from the start of the freeway. In some areas, there are public rest areas or service areas on freeways, as well as emergency phones on
1456-499: A legal status which limits the types of vehicles that can use a highway, as well as a road design that limits the points at which they can access it. Major arterial roads will often have partial access control , meaning that side roads will intersect the main road at grade, instead of using interchanges, but driveways may not connect directly to the main road, and drivers must use intersecting roads to access adjacent land. At arterial junctions with relatively quiet side roads, traffic
1568-475: A lot of rules that corresponded with the international standards of the time. The reasons for this speed limit are unknown. Oftentimes it is argued that the roads were in a poor state, however, there is no proof that the road conditions were a relevant factor in introducing the speed limit, especially since the roads were not much used in the first 20 years after the Second World War and the majority of
1680-562: A mandatory limit, deciding the modest measured emission reduction would have no meaningful effect on forest loss. By 1987, all restrictions on test sections had been removed, even in Hesse where the state government was controlled by a "red-green" coalition . Prior to German reunification in 1990, eastern German states focused on restrictive traffic regulation such as a 100 km/h (62 mph) autobahn speed limit and of 80 km/h (50 mph) on other rural roads. Within two years after
1792-435: A maximum design speed of 62 km/h (39 mph) (usually denoted by a round black-on-white sign with "62" on it), along with flashing orange beacons to warn approaching cars that they are travelling slowly. There is no general minimum speed but drivers are not allowed to drive at an unnecessarily low speed as this would lead to significant traffic disturbance and an increased collision risk. German national speed limits have
1904-527: A milepost system but does not use milepost markers. In Europe and some other countries, motorways typically have similar characteristics such as: Two-lane freeways , often undivided, are sometimes built when traffic volumes are low or right-of-way is limited; they may be designed for easy conversion to one side of a four-lane freeway. (For example, most of the Bert T. Combs Mountain Parkway in eastern Kentucky
2016-447: A motorway is understood as a public road with dual carriageways and at least two lanes each way. All entrances and exits are signposted and all interchanges are grade separated. Central barrier or median present throughout the road. No crossing is permitted, while stopping is permitted only in an emergency. Restricted access to motor vehicles, prohibited to pedestrians, animals, pedal cycles, mopeds, agricultural vehicles. The minimum speed
2128-777: A national-level or even international-level (e.g. European E route ) system of route numbering . There are several international standards that give some definitions of words such as motorways, but there is no formal definition of the English language words such as freeway , motorway , and expressway , or of the equivalent words in other languages such as autoroute , Autobahn , autostrada , autocesta, autoput , that are accepted worldwide—in most cases these words are defined by local statute or design standards or regional international treaties. Descriptions that are widely used include: One green or blue symbol (like [REDACTED] ) appears at motorway entry in countries that follow
2240-600: A number of patterns. The actual pattern is determined by a number of factors including local topology, traffic density, land cost, building costs, type of road, etc. In some jurisdictions feeder/distributor lanes are common, especially for cloverleaf interchanges ; in others, such as the United Kingdom, where the roundabout interchange is common, feeder/distributor lanes are seldom seen. Motorways in Europe typically differ between exits and junctions. An exit leads out of
2352-624: A park and where intersecting streets crossed over bridges. 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 was opened in 1932 by Konrad Adenauer , then
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#17327724228022464-495: A part of the German highway system; the plots of land are federal property. Autobahn exits leading to such parking areas are marked at least 200 metres (660 ft) (mostly 500 metres (1,600 ft)) in advance with a blue sign with the white letter "P". They are usually found every few kilometres. Some of them bear local or historic names. A managed rest area (German: Autobahnraststätte or Raststätte ( German: [ˈʁastˌʃtɛtə] ) for short) usually also includes
2576-467: A planned 20,000 km (12,000 mi) of autobahn had been completed. Meanwhile, the median strips of some autobahns were paved over to allow their conversion into auxiliary airstrips . Aircraft were either stashed in numerous tunnels or camouflaged in nearby woods. However, for the most part during the war, the autobahns were not militarily significant. Motor vehicles, such as trucks, could not carry goods or troops as quickly or in as much bulk and in
2688-457: A private venture, was the world's first limited-access roadway. 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 the federal government's Manual on Uniform Traffic Control Devices ). Modern controlled-access highways originated in
2800-609: A reduction in deaths in a range from 20% to 50% on those sections. Speed, in Europe, is considered to be one of the main contributory factors to collisions. Some countries, such as France and Switzerland, have achieved a death reduction by a better monitoring of speed. Tools used for monitoring speed might be an increase in traffic density; improved speed enforcement and stricter regulation leading to driver license withdrawal; safety cameras; penalty point; and higher fines. Some other countries use automatic time-over-distance cameras (also known as section controls ) to manage speed. Fatigue
2912-541: A separate roadway or altogether eliminates it. In some parts of the world, notably parts of the US , frontage roads form an integral part of the freeway system. These parallel surface roads provide a transition between high-speed "through" traffic and local traffic. Frequent slip-ramps provide access between the freeway and the frontage road, which in turn provides direct access to local roads and businesses. Except on some two-lane freeways (and very rarely on wider freeways),
3024-510: A similar system of express and local lanes for a maximum width of 21 lanes on a 2-mile (3.2 km) segment between Interstate 805 and California State Route 56 . In Mississauga , Ontario, Highway 401 uses collector-express lanes for a total of 18 lanes through its intersection with Highway 403 / Highway 410 and Highway 427 . These wide freeways may use separate collector and express lanes to separate through traffic from local traffic, or special high-occupancy vehicle lanes , either as
3136-411: A special restriction on the innermost lane or a separate roadway, to encourage carpooling . These HOV lanes , or roadways open to all traffic, can be reversible lanes , providing more capacity in the direction of heavy traffic, and reversing direction before traffic switches. Sometimes a collector/distributor road , a shorter version of a local lane, shifts weaving between closely spaced interchanges to
3248-420: A speed limit of 120 km/h (75 mph) in order to reduce noise pollution during overnight hours (usually 10 pm – 6 am) or because of increased traffic during daytime (6 am – 8 pm). Some limits were imposed to reduce pollution and noise. Limits can also be temporarily put into place through dynamic traffic guidance systems that display the corresponding message. More than half of
3360-635: A total length of about 13,192 kilometres (8,197 mi) in 2021 ), and a density of 36 motorway kilometres per thousand square kilometers (Eurostat) which ranks it among the densest and longest controlled-access systems in the world, and fifth in density within the EU in 2016 (Netherlands 66, Finland 3). Longer similar systems can be found in the United States (77,960 kilometres (48,440 mi)) and in China (149,600 kilometres (93,000 mi)). However both
3472-630: Is Strecke 46 [ de ] between Bad Brückenau and Gemünden am Main on the Fulda-Würzburg route, which was replaced by A7 . The autobahns of East Germany (GDR) were neglected in comparison to those in West Germany after 1945. In 1956, the speed limit was set to 100 kilometres per hour (62 mph) in the new version of the Rules of the Road (Straßenverkehrsordnung), which adopted
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3584-551: Is 36 kilometers per thousand square kilometer in 2016, close to that of the smaller countries nearby (Netherlands, Belgium, Luxembourg, Switzerland, Slovenia). About 17,000 emergency telephones are distributed at regular intervals all along the autobahn network, with triangular stickers on the armco barriers pointing the way to the nearest one. Despite the increasing use of mobile phones, there are still about 150 calls made each day on average (after some 700 in 2013). This still equals four calls per kilometre each year. The location of
3696-480: Is considered as a risk factor more specific to monotonous roads such as motorways, although such data are not monitored/recorded in many countries. According to Vinci Autoroutes , one third of accidents in French motorways are due to sleepy driving. Autobahn The Autobahn ( IPA: [ˈaʊtoˌbaːn] ; German pl. Autobahnen , pronounced [ˈaʊ̯toˌbaːnən] )
3808-735: Is controlled mainly by two-way stop signs which do not impose significant interruptions on traffic using the main highway. Roundabouts are often used at busier intersections in Europe because they help minimize interruptions in flow, while traffic signals that create greater interference with traffic are still preferred in North America. There may be occasional interchanges with other major arterial roads. Examples include US 23 between SR 15 's eastern terminus and Delaware, Ohio , along with SR 15 between its eastern terminus and I-75 , US 30 , SR 29 / US 33 , and US 35 in western and central Ohio. This type of road
3920-526: Is different from Wikidata All article disambiguation pages All disambiguation pages Controlled-access highway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway , motorway , and expressway . Other similar terms include throughway or thruway and parkway . Some of these may be limited-access highways , although this term can also refer to
4032-592: Is necessary to exit onto a surface road to transfer from one freeway to another. One example in the United States (notorious for the resulting congestion) is the connection from Interstate 70 to the Pennsylvania Turnpike ( Interstate 70 and Interstate 76 ) through the town of Breezewood, Pennsylvania . Speed limits are generally higher on freeways and are occasionally nonexistent (as on much of Germany's Autobahn network). Because higher speeds reduce decision time, freeways are usually equipped with
4144-489: Is not illegal in the absence of a speed limit, it can cause an increased liability in the case of a collision (which mandatory auto insurance has to cover); courts have ruled that an "ideal driver" who is exempt from absolute liability for "inevitable" tort under the law would not exceed the advisory speed limit. A 2017 report by the Federal Road Research Institute reported that in 2015, 70.4% of
4256-450: Is not lower than 50 km/h [31 mph] and the maximum speed is not higher than 130 km/h [81 mph] (except Germany where no speed limit is defined). Motorways are designed to carry heavy traffic at high speed with the lowest possible number of accidents. They are also designed to collect long-distance traffic from other roads, so that conflicts between long-distance traffic and local traffic are avoided. According to
4368-431: Is provided with separate carriageways for the two directions of traffic). Principal arterials may cross through urban areas, serving suburban movements. The traffic is characterized by high speeds and full or partial access control (interchanges or junctions controlled by traffic lights). Other roads leading to a principal arterial are connected to it through side collector roads. In this view, CARE's definition stands that
4480-407: Is sometimes called an expressway . Freeways are usually limited to motor vehicles of a minimum power or weight; signs may prohibit cyclists , pedestrians and equestrians and impose a minimum speed. It is possible for non-motorized traffic to use facilities within the same right-of-way, such as sidewalks constructed along freeway-standard bridges and multi-use paths next to freeways such as
4592-480: Is specially sign-posted as a motorway and is reserved for specific categories of road motor vehicles." Urban motorways are also included in this definition. However, the respective national definitions and the type of roads covered may present slight differences in different EU countries. The first version of modern controlled-access highways evolved during the first half of the 20th century. The Long Island Motor Parkway on Long Island , New York , opened in 1908 as
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4704-472: Is strongly preferred when the intent is to make specific reference to Germany's Autobahn network. Similar to high-speed motorways in other countries, autobahns have multiple lanes of traffic in each direction, separated by a central barrier with grade-separated junctions and access restricted to motor vehicles with a top speed greater than 60 km/h (37 mph). Nearly all exits are to the right; rare left-hand exits result from incomplete interchanges where
4816-661: Is the federal controlled-access highway system in Germany . The official term is Bundesautobahn (abbreviated BAB ), which translates as 'federal motorway'. The literal meaning of the word Bundesautobahn is 'Federal Auto(mobile) Track'. Much of the system has no speed limit for some classes of vehicles. However, limits are posted and enforced in areas that are urbanised, substandard, accident-prone, or under construction. On speed-unrestricted stretches, an advisory speed limit ( Richtgeschwindigkeit ) of 130 kilometres per hour (81 mph) applies. While driving faster
4928-493: Is the isolated and abandoned twin-carriageway Borovsko Bridge southeast of Prague, on which construction started in July 1939 and halted after the assassination of Reinhard Heydrich by former Czechoslovak army soldiers at the end of May 1942. As of 2021 , Germany's autobahn network has a total length of about 13,192 kilometres (8,197 mi). From 2009 Germany has embarked on a massive widening and rehabilitation project, expanding
5040-545: Is the result of several changes, including infrastructure safety and road user behavior (speed or seat belt use), while other matters such as vehicle safety and mobility patterns have an impact that has not been quantified. Motorways are the safest roads by design. While accounting for more than one quarter of all kilometres driven, they contributed only 8% of the total number of European road deaths in 2006. Germany's Federal Highway Research Institute provided International Road Traffic and Accident Database (IRTAD) statistics for
5152-408: Is two lanes, but work has begun to make all of it four-lane.) These are often called Super two roads. Several such roads are infamous for a high rate of lethal crashes; an outcome because they were designed for short sight distances (sufficient for freeways without oncoming traffic, but insufficient for the years in service as two-lane road with oncoming traffic). An example of such a "Highway to Hell"
5264-537: The A ;555 from Cologne to Bonn) that usually have three digits for numbering. The first digit used is similar to the system above, depending on the region. East–west routes are even-numbered, north–south routes are odd-numbered. The north–south autobahns are generally numbered from west to east; that is to say, the more easterly roads are given higher numbers. Similarly, the east–west routes are numbered from north (lower numbers) to south (higher numbers). The idea for
5376-629: The Dartford Crossing (the furthest downstream public crossing of the River Thames ) or where it was not economic to build a motorway alongside the existing road such as the former Cumberland Gap . The A1 is a good example of piece-wise upgrading to motorway standard—as of January 2013, the 639-kilometre-long (397 mi) route had five stretches of motorway (designated as A1(M)), reducing to four stretches in March 2018 with completion of
5488-537: The HaFraBa were completed in the late 1930s and early 1940s, but construction eventually was halted by World War II . The first public road of this kind was completed in 1932 between Cologne and Bonn and opened by Konrad Adenauer ( Lord Mayor of Cologne and future Chancellor of West Germany) on 6 August 1932. Today, that road is the Bundesautobahn 555 . This road was not yet called Autobahn and lacked
5600-465: The Raststätten fuel prices are significantly higher. Rest areas and truck stops are marked several times as motorists approach, starting several kilometres in advance, and include large signs that often include icons announcing what kinds of facilities travellers can expect, such as hotels, filling stations, rest areas, etc. Germany's autobahns are famous for being among the few public roads in
5712-867: The Suncoast Trail along the Suncoast Parkway in Florida . In some US jurisdictions, especially where freeways replace existing roads, non-motorized access on freeways is permitted. Different states of the United States have different laws. Cycling on freeways in Arizona may be prohibited only where there is an alternative route judged equal or better for cycling. Wyoming , the second least densely populated state, allows cycling on all freeways. Oregon allows bicycles except on specific urban freeways in Portland and Medford . In countries such as
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#17327724228025824-538: The United Kingdom new motorways require an Act of Parliament to ensure restricted right of way. Since upgrading an existing road (the "King's Highway") to a full motorway will result in extinguishing the right of access of certain groups such as pedestrians, cyclists and slow-moving traffic, many controlled access roads are not full motorways. In some cases motorways are linked by short stretches of road where alternative rights of way are not practicable such as
5936-424: The United Kingdom , do not distinguish between the two, but others make a distinction; for example, Germany uses the words Kreuz ("cross") or Dreieck ("triangle") for the former and Ausfahrt ("exit") for the latter. In all cases one road crosses the other via a bridge or a tunnel, as opposed to an at-grade crossing . The inter-connecting roads, or slip-roads , which link the two roads, can follow any one of
6048-490: The shoulder at regular intervals. In the United States, mileposts usually start at the southern or westernmost point on the freeway (either its terminus or the state line). California , Ohio and Nevada use postmile systems in which the markers indicate mileage through the state's individual counties. However, Nevada and Ohio also use the standard milepost system concurrently with their respective postmile systems. California numbers its exits off its freeways according to
6160-570: The sixteen States and reported the following, comparing the years 2006 and 2008: Except at construction sites, the general speed limits, where they apply, are usually between 100 km/h (62 mph) and 130 km/h (81 mph); construction sites usually have a speed limit of 80 km/h (50 mph) but the limit may be as low as 60 km/h (37 mph). In rare cases, sections may have limits of 40 km/h (25 mph), or on one ramp 30 km/h (19 mph). Certain stretches have lower speed limits during wet weather. Some areas have
6272-500: The "straight-on" leads into the exit. The earliest motorways were flanked by shoulders about 60 centimetres (24 in) in width, constructed of varying materials; right-hand shoulders on many autobahns were later retrofitted to 120 centimetres (47 in) in width when it was realized cars needed the additional space to pull off the autobahn safely. In the postwar years, a thicker asphaltic concrete cross-section with fully paved hard shoulders came into general use. The top design speed
6384-759: The 1930s, when construction began on the system, the official name was Reichsautobahn . Various other controlled-access highways exist on the federal ( Bundesstraße ), state ( Landesstraße ), district, and municipal level but are not part of the Autobahn network and are officially referred to as Kraftfahrstraße (with rare exceptions, like A 995 Munich-Giesing–Brunntal until 2018). These highways are considered autobahnähnlich (autobahn-like) and are sometimes colloquially called Gelbe Autobahn (yellow autobahn) because most of them are Bundesstraßen (federal highways) with yellow signs. Some controlled-access highways are classified as "Bundesautobahn" in spite of not meeting
6496-672: The 1970s, is a popular slogan among those opposing autobahn speed restrictions. Tarek Al-Wazir , head of the Green Party in Hesse, and currently the Hessian Transport Minister has stated that "the speed limit in Germany has a similar status as the right to bear arms in the American debate . At some point, a speed limit will become reality here, and soon we will not be able to remember the time before. It's like
6608-501: The A1(M) through North Yorkshire . The most frequent way freeways are laid out is by building them from the ground up after obstructions such as forestry or buildings are cleared away. Sometimes they deplete farmland, but other methods have been developed for economic, social and even environmental reasons. Full freeways are sometimes made by converting at-grade expressways or by replacing at-grade intersections with overpasses; however, in
6720-617: The Autobahn network had only the advisory speed limit, 6.2% had temporary speed limits due to weather or traffic conditions, and 23.4% had permanent speed limits. Measurements from the German state of Brandenburg in 2006 showed average speeds of 142 km/h (88 mph) on a 6-lane section of Autobahn in free-flowing conditions. Only federally built controlled-access highways with certain construction standards including at least two lanes per direction are called Bundesautobahn . They have their own white-on-blue signs and numbering system. In
6832-719: The Polish S22 expressway from Elbląg (Elbing) to the border with the Russian Kaliningrad Oblast , where it is continued by the R516 regional road. Also on 27 September 1936, a section from Breslau ( Wrocław ) to Liegnitz ( Legnica ) in Silesia was inaugurated, which today is part of the Polish A4 autostrada , followed by the (single vehicle) Reichsautobahn 9 from Bunzlau ( Bolesławiec ) to Sagan ( Żagań )
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#17327724228026944-677: The U.S. and China have an area nearly 30 times bigger than Germany, which demonstrates the high density of Germany's highway system. The first autobahn in Austria was the West Autobahn from Wals near Salzburg to Vienna . Building started by command of Adolf Hitler shortly after the Anschluss in 1938. It extended the Reichsautobahn 26 from Munich (the present-day A 8 ), however only 16.8 km (10.4 mi) including
7056-409: The US, any at-grade intersection that ends a freeway often remains an at-grade intersection. Often, when there is a two-lane undivided freeway or expressway, it is converted by constructing a parallel twin corridor, and leaving a median between the two travel directions. The median-side travel lane of the old two-way corridor becomes a passing lane. Other techniques involve building a new carriageway on
7168-484: The United States, allow for limited exceptions: some movable bridges , for instance the Interstate Bridge on Interstate 5 between Oregon and Washington , do require drivers to stop for ship traffic. The crossing of freeways by other routes is typically achieved with grade separation either in the form of underpasses or overpasses . In addition to sidewalks (pavements) attached to roads that cross
7280-712: The Vienna Convention. Exits are marked with another symbol: [REDACTED] . The definitions of "motorway" from the OECD and PIARC are almost identical. In the European Union , for statistical and safety purposes, some distinction might be made between motorway and expressway . For instance a principal arterial might be considered as: Roads serving long distance and mainly interurban movements. Includes motorways (urban or rural) and expressways (road which does not serve properties bordering on it and which
7392-616: The accident remains one of the highest speeds ever achieved on a public motorway. In the 1930s, a ten-kilometre stretch of what is today Bundesautobahn 9 just south of Dessau —called the Dessauer Rennstrecke —had bridges with no piers and was designed for cars like the Mercedes-Benz T80 to attempt to make land speed records . The T80 was to make a record attempt in January 1940 , but plans were abandoned after
7504-552: The advisory speed limit is 130 km/h (81 mph), referred to in German as the Richtgeschwindigkeit . The advisory speed is not enforceable; however, being involved in an accident driving at higher speeds can lead to the driver being deemed at least partially responsible due to "increased operating danger" ( Erhöhte Betriebsgefahr ). The Federal Road Research Institute ( Bundesanstalt für Straßenwesen ) solicited information about speed regulations on autobahns from
7616-579: The autobahn are located outside densely populated areas. Vehicles with a top speed less than 60 km/h (37 mph) (such as quads , low-end microcars, and agricultural/construction equipment) are not allowed to use the autobahn, nor are motorcycles and scooters with low engine capacity regardless of top speed (mainly applicable to mopeds which are typically limited to 25 kilometres per hour (16 mph) or 45 kilometres per hour (28 mph) anyway). To comply with this limit, heavy-duty trucks in Germany (e.g. mobile cranes, tank transporters etc.) often have
7728-406: The autobahn construction standard (for example, the A 62 near Pirmasens ). Similar to some other German words, the term autobahn when used in English is usually understood to refer specifically to the national highway system of Germany, whereas in German the word autobahn is applied to any controlled highway in any country. For this reason in German, the more specific term Bundesautobahn
7840-475: The branch-off of the planned Tauern Autobahn was opened to the public on 13 September 1941. Construction works discontinued the next year and were not resumed until 1955. There are sections of the former German Reichsautobahn system in the former eastern territories of Germany , i.e. East Prussia , Farther Pomerania , and Silesia ; these territories became parts of Poland and the Soviet Union with
7952-793: The bridge. The Queen Elizabeth II Bridge / Dartford tunnel at London Orbital is an example of this. London Orbital or the M25 is a motorway surrounding London , but at the last River Thames crossing before its mouth, motorway rules do not apply. (At this crossing the London Orbital is labeled A282 instead.) A few of the more common types of junction are shown below: There are many differences between countries in their geography, economy, traffic growth, highway system size, degree of urbanization and motorization, etc.; all of which need to be taken into consideration when comparisons are made. According to some EU papers, safety progress on motorways
8064-490: The caller is automatically sent to the operator. For breaks during longer journeys, parking sites, rest areas , and truck stops are distributed over the complete Autobahn network. Parking on the autobahn is prohibited in the strictest terms outside these designated areas. There is a distinction between "managed" and "unmanaged" rest areas. (German: bewirtschaftet / unbewirtschaftet ). Unmanaged rest areas are basically only parking spaces, sometimes with toilets. They form
8176-551: The capital letter A, which simply stands for "Autobahn" followed by a blank and a number (for example A 8 ). The main autobahns going all across Germany have a single-digit number. Shorter autobahns that are of regional importance (e.g. connecting two major cities or regions within Germany) have a double-digit number (e.g. A 24 , connecting Berlin and Hamburg). The system is as follows: There are also some very short autobahns built just for local traffic (e.g. ring roads or
8288-492: The common European definition, a motorway is defined as "a road, specially designed and built for motor traffic, which does not serve properties bordering on it, and which: (a) is provided, except at special points or temporarily, with separate carriageways for the two directions of traffic, separated from each other, either by a dividing strip not intended for traffic, or exceptionally by other means; (b) does not cross at level with any road, railway or tramway track, or footpath; (c)
8400-596: The construction of the autobahn was first conceived in the mid-1920s during the days of the Weimar Republic , but the construction was slow, and most projected sections did not progress much beyond the planning stage due to economic problems and a lack of political support. One project was the private initiative HaFraBa which planned a "car-only road" crossing Germany from Hamburg in the north via central Frankfurt am Main to Basel in Switzerland. Parts of
8512-517: The early 1920s in response to the rapidly increasing use of the automobile , the demand for faster movement between cities and as a consequence of improvements in paving processes, techniques and materials. These original high-speed roads were referred to as " dual highways " and have been modernized and are still in use today. 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 Motorway"),
8624-674: The exception of some top of the range models or engines—to 250 km/h (155 mph). These limiters can be deactivated, so speeds up to 300 km/h (190 mph) might arise on the German autobahn, but due to other traffic, such speeds are generally not attainable except during certain times like between 10 p.m. and 6 a.m. or on Sundays (when truck drivers have to rest by law). Furthermore, there are certain autobahn sections which are known for having light traffic, making such speeds attainable during most days (especially some of those located in Eastern Germany). Most unlimited sections of
8736-577: The fictional slidewalk transport system in Isaac Asimov 's Robot series Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Expressway . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Expressway&oldid=1227560034 " Category : Disambiguation pages Hidden categories: Short description
8848-461: The final report issued in 1977, the Institute stated the mandatory speed limit could reduce the autobahn death toll but there would be economic impacts, so a political decision had to be made due to the trade-offs involved. At that time, the federal government declined to impose a mandatory limit. The fatality rate trend on the German autobahn mirrored those of other nations' motorways that imposed
8960-485: The first built in the world, connecting Milan to Lake Como and Lake Maggiore , and now parts of the A8 and A9 motorways, was devised by Piero Puricelli and was inaugurated in 1924. This motorway, called autostrada , contained only one lane in each direction and no interchanges. The Bronx River Parkway was the first road in North America to utilize a median strip to separate the opposing lanes, to be constructed through
9072-412: The first half of the 20th century. Italy was the first country in the world to build controlled-access highways reserved for fast traffic and for motor vehicles only. Italy opened its first autostrada in 1924, A8 , connecting Milan to Varese . Germany began to build its first controlled-access autobahn without speed limits (30 kilometres [19 mi] on what is now A555 , then referred to as
9184-539: The first limited-access, high-speed road network in the world, with the first section from Frankfurt am Main to Darmstadt opening in 1935. This straight section was used for high-speed record attempts by the Grand Prix racing teams of Mercedes-Benz and Auto Union until a fatal accident involving popular German race driver Bernd Rosemeyer in early 1938. The world record of 432 kilometres per hour (268 mph) set by Rudolf Caracciola on this stretch just prior to
9296-424: The forest, reducing the annual death toll by 30% (250 lives) on autobahns and 15% (1,000 lives) on rural roads; the German motor vehicle death toll was about 10,000 at the time. The federal government sponsored a large-scale experiment with a 100 km/h (62 mph) speed limit in order to measure the impact of reduced speeds on emissions and compliance. Afterward, again, the federal government declined to impose
9408-504: The highway are provided at interchanges by slip roads (ramps), which allow for speed changes between the highway and arterials and collector roads . On the controlled-access highway, opposing directions of travel are generally separated by a median strip or central reservation containing a traffic barrier or grass. Elimination of conflicts with other directions of traffic dramatically improves safety, while increasing traffic capacity and speed. Controlled-access highways evolved during
9520-768: The implementation of the Oder–Neisse line after World War II. Parts of the planned autobahn from Berlin to Königsberg (the Berlinka ) were completed as far as Stettin ( Szczecin ) on 27 September 1936. After the war, they were incorporated as the A6 autostrada of the Polish motorway network . A single-carriageway section of the Berlinka east of the former " Polish Corridor " and the Free City of Danzig opened in 1938; today it forms
9632-407: The lane count of many of its major arterial routes, such as the A 5 in the southwest and A 8 going east–west. Most sections of Germany's autobahns have two or three, sometimes four lanes in each direction in addition to an emergency lane ( hard shoulder ). A few sections have only two lanes in each direction without emergency lanes, and short slip-roads and ramps. The motorway density in Germany
9744-469: The mayor of Cologne . The German Autobahn became the first nationwide highway system. In Canada , the first precursor with semi-controlled access was The Middle Road between Hamilton and Toronto , which featured a median divider between opposing traffic flow, as well as the nation's first cloverleaf interchange . This highway developed into the Queen Elizabeth Way , which featured
9856-400: The motorway system, whilst a junction is a crossing between motorways or a split/merge of two motorways. The motorway rules end at exits, but not at junctions. However, on some bridges, motorways, without changing appearance, temporarily end between the two exits closest to the bridge (or tunnel), and continue as dual carriageways . This is in order to give slower vehicles a possibility to use
9968-641: The next year, today part of the Polish A18 autostrada . After the German occupation of Czechoslovakia , plans for a motorway connecting Breslau with Vienna via Brno (Brünn) in the " Protectorate of Bohemia and Moravia " were carried out from 1939 until construction works discontinued in 1942. A section of the former Strecke 88 near Brno is today part of the D52 motorway of the Czech Republic. Also, there
10080-423: The opening, availability of high-powered vehicles and a 54% increase in motorized traffic led to a doubling of annual traffic deaths, despite "interim arrangements [which] involved the continuation of the speed limit of 100 km/h (62 mph) on autobahns and of 80 km/h (50 mph) outside cities". An extensive program of the four E s (enforcement, education, engineering, and emergency response ) brought
10192-439: The other. Other methods involve constructing a service drive that shortens the long driveways (typically by less than 100 metres (330 ft)). An interchange or a junction is a highway layout that permits traffic from one controlled-access highway to access another and vice versa, whereas an access point is a highway layout where traffic from a distributor or local road can join a controlled-access highway. Some countries, such as
10304-536: The outbreak of World War II in Europe in September 1939. During World War II, many of Germany's workers were required for various war production tasks. Therefore, construction work on the autobahn system increasingly relied on forced workers and concentration camp inmates, and working conditions were very poor. As of 1942, when the war turned against the Third Reich , only 3,800 km (2,400 mi) out of
10416-477: The rate is higher than the risk on urban roads. Speeds are higher on rural roads and autobahns than urban roads, increasing the severity potential of a crash. According to ETSC, German motorways without a speed limit, but with a 130 km/h (81 mph) speed recommendation, are 25% more deadly than motorways with a speed limit. Germany also introduced some 130 km/h (81 mph) speed limits on various motorway sections that were not limited. This generated
10528-445: The remaining original Reichsautobahn , a section of A 11 northeast of Berlin near Gartz built in 1936—the westernmost remainder of the never-finished Berlinka — was scheduled for replacement around 2015. Roadway condition is described as "deplorable"; the 25 metres (82 ft)-long concrete slabs, too long for proper expansion, are cracking under the weight of the traffic as well as the weather. Germany's autobahn network has
10640-541: The rest of the road network are usually closed to general traffic. Apart from rare exceptions, the autobahn must not be left nor entered at rest areas. Truck stops (German Autohof ( German: [ˈaʊ̯toˌhoːf] ), plural Autohöfe ( German: [ˈaʊ̯toˌhøːfə] )) are large filling stations located at general exits, usually at a small distance from the autobahn, combined with fast food facilities and/or restaurants, but have no ramps of their own. They mostly sell fuel at normal price level while
10752-643: The rights of light , air and access to highways, but not parkways and freeways; the latter two are distinguished in that the purpose of a parkway is recreation, while the purpose of a freeway is movement. Thus, as originally conceived, a freeway is simply a strip of public land devoted to movement to which abutting property owners do not have rights of light, air or access. Freeways, by definition, have no at-grade intersections with other roads, railroads or multi-use trails . Therefore, no traffic signals are needed and through traffic on freeways does not normally need to stop at traffic signals. Some countries, such as
10864-604: The road network was based on the Reichsautobahn of Nazi-Germany just like in West Germany, and thus were in a good state. Speed limit violations on the autobahns of the GDR were rare because most cars had not the engine power to go much faster than the set limit. For example, the most common car of the GDR, the Trabant , could reach a maximum of only 110 kilometres per hour (68 mph). The last 4 kilometres (2.5 mi) of
10976-413: The same numbers as trains could, and the autobahns could not be used by tanks as their weight and caterpillar tracks damaged the road surface. The general shortage of petrol in Germany during much of the war, as well as the low number of trucks and motor vehicles needed for direct support of military operations, further decreased the autobahn's significance. As a result, most military and economic freight
11088-432: The side of a divided highway that has a lot of private access on one side and sometimes has long driveways on the other side since an easement for widening comes into place, especially in rural areas. When a third carriageway is added, sometimes it can shift a directional carriageway by 20–60 metres (50–200 ft) (or maybe more depending on land availability) as a way to retain private access on one side that favors over
11200-473: The smoking ban in restaurants." The Weimar Republic had no federally required speed limits. The first crossroads-free road for motorized vehicles only, now A 555 between Bonn and Cologne, had a 120 km/h (75 mph) limit when it opened in 1932. In October 1939, the Nazis instituted the first national maximum speed limit, throttling speeds to 80 km/h (50 mph) in order to conserve gasoline for
11312-442: The supply chain for construction equipment, steel, concrete, signage, maintenance equipment, etc. In rural areas, new camps to house the workers were built near construction sites. The job creation program aspect was not especially important because full employment was almost reached by 1936. However, according to one source autobahn workers were often conscripted through the compulsory Reich Labor Service (and thereby removed from
11424-414: The total length of the German autobahn network has no speed limit, about one third has a permanent limit, and the remaining parts have a temporary or conditional limit. Some cars with very powerful engines can reach speeds of well over 300 km/h (190 mph). Major German car manufacturers, except Porsche , follow a gentlemen's agreement by electronically limiting the top speeds of their cars—with
11536-438: The unemployment registry). The autobahns were not primarily intended as major infrastructure improvement of special value to the military as sometimes stated. Their military value was limited as all large-scale military transportation in Germany was done by train to save fuel. The propaganda ministry turned the construction of the autobahns into a major media event that attracted international attention. The autobahns formed
11648-549: The war effort. After the war, the four Allied occupation zones established their own speed limits until the divided East German and West German republics were constituted in 1949; initially, the Nazi speed limits were restored in both East and West Germany. In December 1952 the West German legislature voted to abolish all national speed limits , reverting to State-level decisions. National limits were reestablished incrementally. The 50 km/h (31 mph) urban limit
11760-497: The war. During the 1950s, the West German government restarted the construction program. It invested in new sections and in improvements to older ones. Finishing the incomplete sections took longer, with some stretches opened to traffic by the 1980s. Some sections cut by the Iron Curtain in 1945 were only completed after German reunification in 1990. Others were never completed, as more advantageous routes were found. An example
11872-565: The world without blanket speed limits for cars and motorcycles. As such, they are important German cultural identifiers, "often mentioned in hushed, reverential tones by motoring enthusiasts and looked at with a mix of awe and terror by outsiders." Some speed limits are implemented on different autobahns. Certain limits are imposed on some classes of vehicles: Additionally, speed limits are posted at most on- and off-ramps and interchanges and other danger points like sections under construction or in need of repair. Where no general limit exists,
11984-406: The year 2010, comparing overall fatality rates with motorway rates (regardless of traffic intensity): The German autobahn network illustrates the safety trade-offs of controlled access highways. The injury crash rate is very low on autobahns, while 22 people died per 1,000 injury crashes—although autobahns have a lower rate than the 29 deaths per 1,000 injury accidents on conventional rural roads,
12096-443: Was European route E4 from Gävle to Axmartavlan , Sweden. The high rate of crashes with severe personal injuries on that (and similar) roads did not cease until a median crash barrier was installed, transforming the fatal crashes into non-fatal crashes. Otherwise, freeways typically have at least two lanes in each direction; some busy ones can have as many as 16 or more lanes in total. In San Diego, California , Interstate 5 has
12208-450: Was approximately 160 km/h (99 mph) in flat country but lower design speeds were used in hilly or mountainous terrain. A flat-country autobahn that was constructed to meet standards during the Nazi period could support speeds of up to 150 km/h (93 mph) on curves. The current autobahn numbering system in use in Germany was introduced in 1974. All autobahns are named by using
12320-402: Was carried by rail. After the war, numerous sections of the autobahns were in bad shape, severely damaged by heavy Allied bombing and military demolition. Furthermore, thousands of kilometres of autobahns remained unfinished, their construction brought to a halt by 1943 due to the increasing demands of the war effort. In West Germany (FRG), most existing autobahns were repaired soon after
12432-570: Was controlled by conservative parties , successfully resisted the imposition of a permanent mandatory limit supported by Chancellor Brandt . The upper house insisted on a 130 km/h (81 mph) recommended limit until a thorough study of the effects of a mandatory limit could be conducted. Accordingly, the Federal Highway Research Institute conducted a multiple-year experiment, switching between mandatory and recommended limits on two test stretches of autobahn. In
12544-452: Was enacted in 1956, effective in 1957. The 100 km/h (62 mph) limit on rural roads—except autobahns—became effective in 1972. Just prior to the 1973 oil crisis , Germany, Switzerland, and Austria all had no general speed restriction on autobahns. During the crisis, like other nations, Germany imposed temporary speed restrictions; for example, 100 km/h (62 mph) on autobahns effective 13 November 1973. Automakers projected
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