Autobahn

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Bundesautobahnen
Zeichen 330 - Autobahn, StVO 1992.svg
Bundesautobahn 1 number.svgBundesautobahn 3 number.svgBundesautobahn 5 number.svg
The German Autobahn sign
with route markers for
Bundesautobahnen 1, 3 & 5
Autobahnen in Deutschland.svg
A map of the German Bundesautobahnen network
System information
Maintained by Bundesministerium für Verkehr und digitale Infrastruktur
Length: 12,949 km (2015) (8,046 mi)
Highway names
Autobahns: Bundesautobahn X
(BAB X or A X)
System links
  • Roads in Germany
Autobahns 3 and 5 at Frankfurter Kreuz near Frankfurt am Main

The Autobahn (German: Autobahn, plural Autobahnen) is the federal controlled-access highway system in Germany. The official German term is Bundesautobahn (plural Bundesautobahnen, abbreviated BAB), which translates as "federal motorway". The literal meaning of the word Bundesautobahn is "Federal Auto(mobile) Track".

German Autobahnen have no federally mandated speed limit for some classes of vehicles.[1] However limits are posted (and enforced) in areas that are urbanized, substandard, accident-prone, or under construction. In case of bad weather, speed limits come into play and are frequently enforced. On speed-unrestricted stretches, an advisory speed limit (Richtgeschwindigkeit) of 130 kilometres per hour (81 mph) applies. A 2008 estimate reported that 52% of the autobahn network had only the advisory speed limit, 15% had temporary speed limits due to weather or traffic conditions and 33% had permanent speed limits.[2] 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.[3]

Germany's autobahn network has a total length of about 12,949 kilometres (8,046 mi) in 2015,[4] which ranks it among the most dense and longest systems in the world. Longer systems can be found e. g. in China 111,950 kilometres (69,560 mi), the United States 77,017 kilometres (47,856 mi) and Spain 16,583 kilometres (10,304 mi).

Names

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 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). These highways are considered autobahnähnlich (autobahn similar) 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 the autobahn construction standard (for example the A 62 near Pirmasens).

Construction

Pattern of autobahns 10 to 999

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 of more than 60 km/h (37 mph). All exits are to the right. 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 full paved hard shoulders came into general use. The top design speed 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 the speed 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 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 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 always even-numbered, north-south routes are always odd-numbered.

The north-south autobahns are generally numbered using odd numbers from west to east; that is to say, the more easterly roads are given higher numbers. Similarly, the east-west routes are numbered using even numbers from north (lower numbers) to south (higher numbers).

History

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Rare sight in Europe: 4 lanes in each direction of travel for 21 kilometers. The section between Zeppelinheim and Darmstadt, it is the oldest Autobahn.
Typical section of modern autobahn near an interchange, with overhead direction signs

The idea for 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 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.[5] Today, that road is the Bundesautobahn 555.[6][7][8] This road was not yet called Autobahn and lacked a center 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.[9]

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 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.[10] The job creation program aspect was not especially important because full employment was almost reached by 1936. The autobahns were not primarily intended as major infrastructure improvement of special value to the military as often stated. Their military value was limited as all major military transports in Germany were done by train to save fuel. The propaganda ministry turned the construction of the autobahns into a major media event that attracted international attention.[11]

One of the center abutment-free bridges over the former Dessauer Rennstrecke on Autobahn A9

The autobahns formed 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 km/h (268 mph) set by Rudolf Caracciola on this stretch just prior to the accident remains one of the highest speeds ever achieved on a public motorway. A similar intent in the 1930s existed for a ten kilometer stretch of what is today Bundesautobahn 9 just south of Dessau — called the Dessauer Rennstrecke — had bridges with no abutments over the median, meant for land speed record cars like the Mercedes-Benz T80 to have made a record attempt in January 1940, abandoned due to the outbreak of World War II in Europe four months earlier.

Development of the overall length (at the end of):

Year Length in km Year Length in km
1935 108 1975 5,742
1936 1,086 1980 7,292
1937 2,010 1985 8,198
1938 3,046 1990 8,822
1939 3,300 1995 11,143
1940 3,736 2000 11,515
1950 2,128 2005 12,174
1955 2,187 2010 12,813
1960 2,551 2015 12,949
1965 3,204
1970 4,110
The A 3 in 1991

During World War II, 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 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 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.[12][13]

In West Germany (GFR), most existing autobahns were repaired soon after 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. Some of these incomplete sections to this very day stretch across the landscape forming a unique type of modern ruin, often easily visible on satellite photographs.

The autobahns of East Germany (GDR) were neglected in comparison to those in West Germany after 1945. East German autobahns were used primarily for GDR military traffic and for state-owned farming or manufacturing vehicles. The speed limit on the GDR autobahns was 100 km/h; however, lower speed limits were frequently encountered due to poor or quickly changing road conditions. The speed limits on the GDR autobahns were rigorously enforced by the Volkspolizei, whose patrol cars were frequently found hiding under camouflage tarpaulins waiting for speeders.

The last four kilometers of remaining original Reichsautobahn, a section of A 11 northeast of Berlin near Gartz built in 1936 — the westernmost remainder of the never-finished Berlinka — are scheduled for replacement around 2015.[14][15] Roadway condition is described as "deplorable"; the 25-metre-long concrete slabs, too long for proper expansion, are cracking under the weight of the traffic as well as the weather.[16]

German-built Reichsautobahnen in other countries

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 A8), however only 16.8 km (10.4 mi) including the branch-off of the planned Tauern Autobahn was opened to the public on 13 September 1941.[17] 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 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-vehicle section of the Berlinka east of the former "Polish Corridor" and the Free City of Danzig opened in 1938; today it forms 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) 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 R52 expressway of the Czech Republic.

Current density

As of 2013, Germany's autobahn network has a total length of about 12,845 km. From 2009 Germany has embarked on a massive widening and rehabilitation project, expanding the lane count of many of its major arterial routes, such as the A5 in the southwest and A8 going east-west.

Most sections of Germany's autobahns are modern, containing two or three, sometimes four lanes in addition to an emergency lane (hard shoulder). A few other sections remain in an old state, with two lanes, no emergency lane, and short slip-roads and ramps.

Facilities

Emergency telephones

Emergency telephone
Directional arrow on a delineator

About 16,000 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 some 700 calls made each day on average.

For the Emergency service or Roadside assistance to come to the right location, the road kilometer must be given as part of the emergency call.[18]

Road kilometer sign German federal motorway "Autobahn 6", km 565.0 near Mannheim

Parking, rest areas and truck stops

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).

Parking sign
Unmanaged rest areas are basically only parking spaces, sometimes with toilets. They form a part of the German highway system; the plots of land are federal property. Autobahn exits leading to such parking areas are marked 200 metres in advance with a blue sign with the white letter "P". They are found every few kilometres.

A managed rest area (German: Autobahnraststätte or Raststätte for short) usually also includes a filling station, lavatories, toilets and baby changes. Many rest areas also have restaurants, shops, public telephones, internet access and a playground. Some have hotels. Mandated every 50 km 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 the rest of the road network are usually closed to general traffic. The autobahn must not be left at rest areas.

Zeichen 448.1 - Autohof, StVO 2000.svg
Truck stops (German Autohof, plural Autohöfe) are far rarer. Located at general exits, usually at a small distance from the autobahn, they have no ramps of their own.
Truck stop Scandinavian Park off the A 7
Rest area Dammer Berge on the A 1

Rest areas and truck stops are marked several times, starting several kilometres in advance, and with larger signs that often include icons announcing what kinds of facilities travellers can expect.

Speed limits

Autobahn with three separated lanes in each direction and an emergency lane
On the autobahns there is an advisory speed limit (Richtgeschwindigkeit) of 130 km/h (unless otherwise regulated by signs).
The "limits no longer apply" (Ende aller Streckenverbote) sign, indicating a return to the default speed, while lifting all other limits as well (all limits are indicated by round signs with red border).[19]
GPS tracks colored according to speed show considerable speed differences at an autobahn crossing

Germany's autobahns are famous for being among the few public roads in the world without blanket speed limits for cars and motorbikes. 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."[1]

Certain limits are imposed on some classes of vehicles:

60 km/h (37 mph)
  • Buses carrying standing passengers
  • Motorcycles pulling trailers
80 km/h (50 mph)
  • Vehicles with maximum allowed weight exceeding 3.5 t (except passenger cars)
  • Passenger cars and trucks with trailers
  • Buses
100 km/h (62 mph)
  • Passenger cars pulling trailers certified for 100 km/h
  • Buses certified for 100 km/h not towing trailers[20]

Additionally, speed limits are posted at most on- and off-ramps and interchanges[21] and other danger points like sections under construction or in need of repair.

Where no general limit is required, 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 Highway Research Institute (Bundesanstalt für Straßenwesen) solicited information about speed regulations on autobahns from the sixteen States and reported the following, comparing the years 2006 and 2008:

Parameter[22] 2006 2008 Change
Autobahn Carriageway-Km 24,735 km 25,240 km +505 km
Advisory Limit Only 69.2% 65.5% -580 km
Variable Limit (with Advisory Maximum) 4.2% 4.1% -5 km
Permanent or Conditional Speed Limit 26.7% 30.4% +1,090 km

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)[23] or, in very rare cases, 40 km/h (25 mph).[24] Certain stretches have lower speed limits during wet weather. Some areas have a speed limit of 120 km/h (75 mph) in order to reduce noise pollution during overnight hours (usually 10pm – 6am) or because of increased traffic during daytime (6am – 8pm).

Dynamic traffic signs on an Autobahn.

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 according message. More than half of 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 the exception of some top of the range models or engines – to 250 km/h (155 mph).[25] 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. Most unlimited sections of 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 or 45 km/h anyway). To comply with this limit, heavy-duty trucks in Germany (e.g. mobile cranes, tank transporters etc.) often have 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.

The following map with its associated legend shows the speed limits applied to different sections of the autobahn network.

Public debate

German national speed limits have a historical association[26] with war-time restrictions and deprivations, the Nazi era, and the Soviet era in East Germany. "Free driving for free citizens" ("freie Fahrt für freie Bürger"), a slogan promoted by the German Auto Club since the 1970s,[27] is a popular slogan among those opposing autobahn speed restrictions.[28][29][30] 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... A speed limit will be at some point reality here, and soon we will be able not imagine ourselves without it. It's like the smoking ban in restaurants."[31]

Early history

The Weimar Republic had no federally required speed limits. The first crossroads-free road for motorized vehicles only, now A555 between Bonn and Cologne, had a 120 km/h (75 mph) limit when it opened in 1932.[32] 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 the war effort.[33] 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.[34]

After the World Wars

In December 1952 the West German legislature voted to abolish all national speed limits, seeing them as Nazi relics,[35] reverting to State-level decisions. National limits were reestablished incrementally. The 50 km/h (31 mph) urban limit was enacted in 1956, effective in 1957.[36] The 100 km/h (62 mph) limit on rural roads—except autobahns—became effective in 1972.

Oil crisis of the 1970s

Just prior to the 1973 oil crisis Germany, Switzerland[37] and Austria[38][39] 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 November 13, 1973.[40] Automakers projected a 20% plunge in sales, which they attributed in part to the lowered speed limits.[41] The 100 km/h limit championed by Transportation Minister Lauritz Lauritzen lasted 111 days.[42] Adjacent nations with unlimited speed autobahns, Austria[39][43] and Switzerland,[37] 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 was controlled by conservative parties, successfully resisted the imposition of a permanent mandatory limit supported by Chancellor Brandt.[44] 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.[45] Accordingly, the Federal Highway Research Institute conducted a multiple-year experiment, switching between mandatory and recommended limits on two test stretches of autobahn. In 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.[46] At that time, the Federal Government declined to impose a mandatory limit.[47] The fatality rate trend on the German autobahn mirrored those of other nations' motorways that imposed a general speed limit.[48]

Environmental concerns of the 1980s

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.[49][50] 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 the forest, reducing the annual death toll by 30% (250 lives) on autobahns and 15% (1000 lives) on rural roads;[51] the German motor vehicle death toll was about 10,000 at the time.[52] 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.[53] Afterward, again, the Federal Government declined to impose a mandatory limit, deciding the modest measured emission reduction would have no meaningful effect on forest loss.[54] By 1987 all restrictions on test sections had been removed, even in Hesse where the state government was controlled by a "red-green" coalition.[55]

German reunification

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 the opening, availability of high-powered vehicles and a 54% increase in motorized traffic led to a doubling of annual traffic deaths,[56] 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 Es (enforcement, education, engineering, and emergency response) brought the number of traffic deaths back to pre-unification levels after a decade of effort while traffic regulations were conformed to western standards (e.g., 130 km/h (81 mph) freeway advisory limit, 100 km/h (62 mph) on other rural roads, and 0.05 percent BAC).[57]

Since reunification

In 1993, the Social democratic-Green Party coalition controlling the State of Hesse experimented with a 90 km/h (56 mph) limit on autobahns and 80 km/h (50 mph) on other rural roads.[58] These limits were attempts to reduce ozone pollution.

During his term of office (1998 to 2005) as Chancellor of Germany, Gerhard Schröder opposed an autobahn speed limit, famously referring to Germany as an Autofahrernation (a "nation of drivers").

In October 2007, at a party congress held by the Social Democratic Party of Germany, delegates narrowly approved a proposal to introduce a blanket speed limit of 130 km/h (81 mph) on all German autobahns.[59] While this initiative is primarily a part of the SPD's general strategic outline for the future and, according to practices, not necessarily meant to affect immediate government policy, the proposal had stirred up a debate once again; Germany's chancellor since 2005, Angela Merkel, and leading cabinet members expressed outspoken disapproval of such a measure.[60][61]

In 2008, the Social Democratic-Green Party coalition controlling the Germany's smallest State, the paired City-State of Bremen & Bremerhaven, imposed a 120 kilometres per hour (75 mph) limit on its last 11 kilometres (6.8 mi) of speed-unlimited autobahn[62] in hopes of leading other States to do likewise.[63]

In 2011, the first ever Green minister-president of any German state, Winfried Kretschmann of Baden-Württemberg initially argued for a similar, state-level 120 kilometres per hour (75 mph) limit.[64] However, Baden-Württemberg is an important location for the German motor industry, including the headquarters of Daimler AG and Porsche;[65] the ruling coalition ultimately decided against a state-level limit on its 675 kilometres (419 mi) of speed-unlimited roads—arguing for nationwide speed limit instead.[66][67][68]

In 2014, the conservative-liberal ruling coalition of Saxony confirmed its rejection of a general speed limit on autobahns, instead advocating dynamic traffic controls where appropriate.[69] Between 2010 and 2014 in the State of Hesse, transportation ministers Dieter Posch[70] and his successor[71] Florian Rentsch,[72] both members of the Free Democratic Party, removed or raised speed limits on several sections of autobahn following regular 5-year reviews of speed limit effectiveness; some sections just prior to the installation of Tarek Al-Wazir (Green Party) as Transportation Minister in January 2014.[73][74]

In 2015, the left-green coalition government of Thuringia declared that a general autobahn limit was a Federal matter; Thuringia would not unlaterally impose a general Statewide limit, although the Thuringian environmental minister had recommended a 120 kilometres per hour (75 mph) limit.[75]

Safety

In 2014, autobahns carried 31% of motorized road traffic while accounting for 11% of Germany's traffic deaths. The autobahn fatality rate of 1.6 deaths per billion-travel-kilometers compared favorably with the 4.6 rate on urban streets and 6.5 rate on rural roads.[52]

Between 1970 and 2010, overall German road fatalities decreased by almost 80% from 19,193 to 3,648; over the same time period, autobahn deaths halved from 945 to 430 deaths.[52] Statistics for 2013 show total German traffic deaths had declined to the lowest count ever recorded: 3340; a representative of the Federal Statistical Office attributed the general decline to harsh winter weather that delayed the start of the motorcycle-riding season.[76] However, autobahn deaths increased over 2012 counts (from 387 to 428);[52] in 2014, total German fatalities rose slightly to 3377 while autobahn deaths dropped to 375.[77]

Road Class Injury Crashes Fatalities Injury Rate* Fatality Rate* Fatalities per 1000 Injury Crashes
Autobahn 18,901 375 0.082 1.6 19.8
Urban 209,618 983 1.052 4.9 4.7
Rural 73,916 2,019 0.238 6.5 27.3
Total 302,435 3,377 0.408 4.6 11.2
  • per 1,000,000,000 travel-kilometres

In 2012, the leading cause of autobahn accidents was "excessive speed (for conditions)": 6,587 so-called "speed related" crashes claimed the lives of 179 people, which represents almost half (46.3%) of 387 autobahn fatalities that year.[78] However, "excessive speed" does not mean that a speed limit has been exceeded, but that police determined at least one party travelled too fast for existing road[79] or weather conditions.[78] On autobahns 22 people died per 1000 injury crashes; a lower rate than the 29 deaths per 1,000 injury accidents on conventional rural roads, which in turn is five times 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.[78]

Safety: international comparison

A few countries publish the safety record of their motorways; the Federal Highway Research Institute[80] provided IRTAD statistics for the year 2012:

International Killed per 1 billion veh·km
Country All roads Motorways
Austria 6.88 1.73
Belgium 7.67 2.07
Czech Republic 15.73 2.85
Denmark 3.40 0.72
Finland 4.70 1.94
France 1.70
Germany 5.00 1.74
Slovenia 7.77 3.17
Switzerland 5.60 2.90
United Kingdom 3.56 1.16
United States 7.02 3.38

There are many differences between countries in their geography, economy, traffic growth, highway system size, degree of urbanization and motorization, and so on; all of which need to be taken into consideration when comparisons are made, even as there are many regional differences between U.S. States.[81]

Travel speeds

The Federal government does not regularly measure or estimate travel speeds.[82] One study reported in a transportation engineering journal offered historical perspective on the increase in travel speeds over a decade, as shown below.

Parameters Year
(for light vehicles) 1982 1987 1992
Average speed 112.3 km/h (70 mph) 117.2 km/h (73 mph) 120.4 km/h (75 mph)
85th percentile speed 139.2 km/h (86 mph) 145.1 km/h (90 mph) 148.2 km/h (92 mph)
Percentage exceeding 130 km/h 25.0% 31.3% 35.9%

Source: Kellermann, G: Geschwindigkeitsverhalten im Autobahnnetz 1992. Straße+Autobahn,[83] Issue 5/1995.[84]

The Federal Environmental Office reported that, on an free-flowing section in 1992, the recorded average speed was 132 km/h (82 mph) with 51% of drivers exceeding the recommended speed.[84]

In 2006, speeds were recorded using automated detection loops in the State of Brandenburg at two points: on a 6-lane section of A9 near Niemegk with a 130 km/h (81 mph) advisory speed limit; and on a 4-lane section of A10 bypassing Berlin near Groß Kreutz with a 120 km/h (75 mph) mandatory limit.[3] The results are shown below:

Average speed Autobahn cross-section
Speed regulation 130 km/h advisory 120 km/h mandatory
Vehicle class A9 (6 lanes) A10 (4 lanes)
Automobiles 141.8 km/h (88 mph) 116.5 km/h (72 mph)
Trucks 88.2 km/h (55 mph) 88.0 km/h (55 mph)
Buses 97.7 km/h (61 mph) 94.4 km/h (59 mph)
All vehicles 131.9 km/h (82 mph) 110.1 km/h (68 mph)

At peak times on the "free-flowing" section of A9, over 60% of road users exceeded the recommended 130 km/h (81 mph) maximum speed, more than 30% of motorists exceeded 150 km/h (93 mph), and more than 15% exceeded 170 km/h (106 mph)—in other words the so-called "85th percentile speed" was in excess of 170 km/h.[85]

Toll roads

On 1 January 2005, a new system came into effect for mandatory tolls (Mautpflicht) on heavy trucks (those weighing more than 12 t) while using the German autobahn system (LKW-Maut). The German government contracted with a private company, Toll Collect GmbH, to operate the toll collection system, which has involved the use of vehicle-mounted transponders and roadway-mounted sensors installed throughout Germany. The toll is calculated depending on the toll route, as well as based on the pollution class of the vehicle, its weight and the number of axles on the vehicles. Certain vehicles, such as emergency vehicles and buses, are exempt from the toll. An average user is charged €0.15 per kilometre, or about $0.31 per mile (Toll Collect, 2007).

Traffic laws and enforcement

German Police Car (North Rhine-Westphalia), green (old style)
German Police Car (Lower-Saxony, blue)
High Visibility German Police Car (Lower-Saxony, blue)

Driving in Germany is regulated by the Straßenverkehrs-Ordnung (road traffic regulations,[86] abbreviated StVO). Enforcement on the federal Autobahnen is handled by each State's Highway Patrol (Autobahnpolizei), often using unmarked police cars and motorcycles and usually equipped with video cameras,[87][88] thus allowing easier enforcement of laws such as tailgating. Notable laws include the following.

  • The right lane should be used when it is free (Rechtsfahrgebot) and the left lane is generally intended only for overtaking, unless traffic is too dense to justify driving only on the right lane. It is legal to give a short horn or light signal (flashing headlights or Lichthupe) in order to indicate the intention of overtaking, but a safe distance to the vehicle in front must be maintained,[89] otherwise this might be regarded as an act of coercion.
  • Penalties for tailgating were increased in May 2006 to a maximum of €375 and three months license suspension:[90] "drivers must keep a distance in meters that is equal to half their speed. For example, a driver going 100 kph on the autobahn must keep a distance of at least 50 meters (165 feet)". The penalty increase followed uproar after an infamous fatal crash on Autobahn 5 in 2003.[91]
  • In a traffic jam, drivers must form an emergency lane to allow emergency services to reach an accident scene. This "lane" is the middle of the left two lanes.[92]
  • It is unlawful to stop for any reason on the autobahn, except for emergencies and when unavoidable, like traffic jams or being involved in an accident. This includes stopping on emergency lanes. Running out of fuel is considered an avoidable occurrence, as by law there are petrol stations directly on the autobahn approximately every 50–55 km (31–34 mi). Drivers may face fines and up to six months suspension, should it come to a stop that was deemed unnecessary by the police. In some cases (if there is direct danger to life and limb or property e.g. cars and highway infrastructure) it may also be considered a crime and the driver could receive a prison sentence (up to 5 years).
  • Overtaking on the right (undertaking) is strictly forbidden, except when stuck in traffic jams. Up to a speed of 80 km/h (50 mph) it is permitted to pass cars on the right side if the speed difference is not greater than 20 km/h (12 mph) or the vehicle on the left lane is stationary. This is not referred to as overtaking, but driving past. Even if the car overtaken is illegally occupying the left-hand lane, it is not an acceptable excuse; in such cases the police will routinely stop and fine both drivers. However, exceptions can and have sometimes been made.

Popular culture

Film

Music

Video games

Need for Speed: ProStreet, Burnout 3: Takedown, Euro Truck Simulator 2 and Burnout Dominator use autobahn as one of their tracks. Burnout 3: Takedown named them as Alpine while Burnout Dominator divided them into two (Autobahn and Autobahn Loop). Need for Speed: Porsche Unleashed also had a track that had the player drive across different sections of the autobahn. The entire game world of Crash Time: Autobahn Pursuit is set on the autobahn. On Gran Turismo 5 and Gran Turismo 6, a trophy is awarded to those who have driven the same distance as the autobahn total length. In December 2010 video game developer Synetic GmbH and Conspiracy Entertainment released the title Alarm für Cobra 11 – Die Autobahnpolizei featuring real world racing and mission based gameplay it is taken from the popular German television series about a two-man team of Autobahnpolizei first set in Berlin then later in North Rhine-Westphalia.

See also

References

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  2. http://archive.etsc.eu/documents/Speed_Fact_Sheet_1.pdf
  3. 3.0 3.1 "Auswirkungen eines allgemeinen Tempolimits auf Autobahnen im Land Brandenburg". Brandenburg. October 2007. Retrieved 4 December 2010.
    1) (German:) "Auf einer 6-streifigen Autobahn ergibt sich für den Pkw-Verkehr im Mittel eine Geschwindigkeit von 142 km/h... Der Bereich zwischen v15 (von 15% unterschritten) und v85 (von 85% unterschritten) wird für den geschwindigkeitsunbegrenzten Abschnitt mit 115 ... 167 km/h"
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    1) (German:) „Die real gefahrene Geschwindigkeit auf „freigegebenen“ Autobahnabschnitten liegt jedoch deutlich höher, wie das in Abb. 54 dargestellte Beispiel von der A9 im Bereich Niemegk zeigt. Die V85 liegt teilweise bei über 170 km/h. Im Schnitt fahren deutlich über 60 % der Verkehrsteilnehmer schneller als 130 km/h. Mehr als 30 % der Verkehrsteilnehmer fahren im Schnitt schneller als 150 km/h“
  86. Lua error in package.lua at line 80: module 'strict' not found.
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Further reading

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External links