how thick is the autobahn concrete how thick is the autobahn concrete

Concrete Pavements on the German Autobahnen Curves are gentle and slightly banked, and grades are limited to 4 percent. After all, it's the system that inspired our own and still trumps ours in many ways. As of 2021[update], Germany's autobahn network has a total length of about 13,192 kilometres (8,197mi). Which is a good thing! The Federal Road Research Institute (Bundesanstalt fr Straenwesen) solicited information about speed regulations on autobahns from 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 100km/h (62mph) and 130km/h (81mph); construction sites usually have a speed limit of 80km/h (50mph) but the limit may be as low as 60km/h (37mph). For the Austrian Autobahn system, see, Selected Autobahn signs with route markers for, Bundesministerium fr Verkehr und digitale Infrastruktur, right to bear arms in the American debate, the paired City-State of Bremen and Bremerhaven, List of controlled-access highway systems, Evolution of motorway construction in European nations, "Verordnung ber eine allgemeine Richtgeschwindigkeit auf Autobahnen und hnlichen Straen", "BASt 2017 Publikationen Tempolimits auf Bundesautobahnen 2015", "Auswirkungen eines allgemeinen Tempolimits auf Autobahnen im Land Brandenburg", "The myth of Hitler's role in building the German autobahn", "Working Papers in the History of Mobility No. To cater to the average of 50,000 vehicles per day on any given segment of the road, the Autobahn features two, three and occasionally four lanes per direction. The German Autobahn has taken on an almost legendary mystique. The contraction joints are cut so that they are wider at the top, forming a reservoir 8-15 mm (;{-Y, in.) Jackson and Harold Allen Publication: Journal Proceedings Volume: 44 Issue: 6 Appears on pages(s): 933-976 Keywords: none Date: 6/1/1948 Abstract: The inspection upon which this paper is based was prompted by a desire to reconcile conflicting reports which have come out of Germany during the last 3 years regarding the . Aircraft were either stashed in numerous tunnels or camouflaged in nearby woods. Limits can also be temporarily put into place through dynamic traffic guidance systems that display the corresponding message. Some roads have night-time or wet-weather speed limits, and some classes of vehicles, such as heavy trucks, have their own speed limits. Find many great new & used options and get the best deals for Fairy stepping stone mold 10" x 1" thick plaster concrete mould .080 abs plastic at the best online prices at eBay! The advisory speed limit was adopted in 1978. Only federally built controlled-access highways with certain construction standards including at least two lanes per direction are called Bundesautobahn. When driving on an unrestricted section of autobahn in Germany, you must look far down the roadyou may be bombing down the highway at 180 kph (112 mph) when a car doing 130 pulls into the left lane in front of you to pass a truck limited to 80 kph. In the 1930s, when construction began on the system, the official name was Reichsautobahn. Germany maintains a country-wide standard, whereas US inspections are handled on a state-by-state basis. [61] Statistics for 2013 show total German traffic deaths had declined to the lowest count ever recorded: 3,340 (428 on autobahns); a representative of the Federal Statistical Office attributed the general decline to harsh winter weather that delayed the start of the motorcycle-riding season. [71], In 2011, the first-ever Green minister-president of any German state, Winfried Kretschmann of Baden-Wrttemberg initially argued for a similar, state-level 120 kilometres per hour (75mph) limit. German reunification in 1990 expanded the system to 6,835 miles, though poor conditions of the highways in the former East Germanymany of which had narrow medians and no shoulders, just as they were in 1945put the emphasis back on repair and modernization. Whats the highest speed limit in the world? Euro Truck Simulator, German Truck Simulator, and Euro Truck Simulator 2 feature the Autobahn in their open world maps. How thick is the autobahn concrete? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Intercontinental Autonomous Challenge (DriverlessVehicles). 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. [77] Between 2010 and 2014 in the State of Hesse, transportation ministers Dieter Posch[78] and his successor[79] Florian Rentsch,[80] 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[81][82] as part of an uneasy CDU-green coalition government. Burnout 3: Takedown named them as Alpine while Burnout Dominator divided them into two (Autobahn and Autobahn Loop). [67] These limits were attempts to reduce ozone pollution. Thankfully that's something you rarely have to worryabout while on the Autobahn. the initial saw cut is 25-40 percent of the thickness of the concrete slab. Truck stops (German Autohof, plural Autohfe) 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. Because Germans pay such close attention to this rule, traffic is able to flow much more freely on their highways. The finishing beam and super smoother produce the desired optimum surface finish: during the paving process, a finishing beam is deployed across the roadway while an oscillating super smoother operates in the direction of travel of the paver. A24, connecting Berlin and Hamburg). If the patio will be used for seating or tables, a 6-inch thickness is recommended. Once the required thickness is determined, the concrete thickness is reduced by one inch (25 mm) and replaced with 3 or 3.25 inches (75 mm or 83 mm) of asphalt. Unmanaged rest areas are basically only parking spaces, sometimes with toilets. When people imagine the Autobahn, most see a chaoticdrag strip perpetually plagued by high speed crashes involving exotic cars. paver is 15.25 m (50 ft). Construction work on the autobahn system therefore increasingly relied on forced workers and concentration camp inmates, and working conditions were very poor. Copyright 2022 World Highways. An appalling rise in traffic deaths led to a country-wide speed limit of 100 kph (62 mph) in 1972, though autobahns remained unrestricted. After the war, they were incorporated as the A6 autostrada of the Polish motorway network. There aren't too many policeon German roads, yes, but if caughttailgating you're in for a hefty fine. PDF Pavement Thickness Design - Institute for Transportation [Translation: 50 years at 50km/h: In the Frenzy of the Economic Miracle]", "50 Jahre Tempo 50: Im Taumel des Wirtschaftswunders [Translation: 50 years at 50km/h: In the Frenzy of the Economic Miracle]", "50 Jahre Tempo 50: Im Taumel des Wirtschaftswunders: Fr das fehlende Tempolimit auf Autobahnen ist Deutschland weltberhmt. It was only when Adolf Hitler came to power in 1933 that the Nazis realized they could use the autobahn for their own ends. The same parameters can be used for input data in computer programs on pavement determinations. They form a part of the German highway system; the plots of land are federal property. [1] However, limits are posted and enforced in areas that are urbanised, substandard, accident-prone, or under construction. Construction on what became known as the Reichsautobahn proceeded rapidly, with an emphasis on east-west and north-south connections, and routes that showed off the German scenery. MS-2 Mix Design Methods for Asphalt Concrete and Other Hot-Mix Types. [100] On autobahns 22 people died per 1,000 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 roadsspeeds are higher on rural roads and autobahns than urban roads, increasing the severity potential of a crash.[100]. [69], In 2008, the Social Democratic-Green Party coalition controlling Germany's smallest state, the paired City-State of Bremen and Bremerhaven, imposed a 120-kilometre-per-hour (75mph) limit on its last 11 kilometres (6.8mi) of speed-unlimited autobahn[70] in hopes of leading other States to do likewise. The literal meaning of the word Bundesautobahn is 'Federal Auto(mobile) Track'. For this reason in German, the more specific term Bundesautobahn is strongly preferred when the intent is to make specific reference to Germany's Autobahn network. To get a license in Germany, you are required to take tons of driving lessons, including several where you're taken on the actual Autobahn and put into real, high-speed traffic. The myth of no speed limits is countered by the fact that Tempolimits are a fact of life on most of Germany's highways, and traffic jams are common. 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. The T80 was to make a record attempt in January 1940, but plans were abandoned after the outbreak of World War II in Europe in September 1939. [5] Today, that road is the Bundesautobahn 555. The Autobahn spans nearly the entire length of Germany and has been called the pinnacle of the German driving experience because of the German pride in automotive technology, racing and transportation efficiency. 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. The top design speed was approximately 160km/h (99mph) in flat country but lower design speeds were used in hilly or mountainous terrain. The reality is a little different than the legend. By 1964, the system had grown to 1,865 miles, and in 1984 it exceeded 4,970 miles. [95], Although Germany has a very low total traffic-related death rate, if only the mortality rate on highways is considered, Germany is in the rear midfield in a Europe-wide comparison of the number of traffic fatalities per thousand kilometers driven on highways in 2016. [58][59] A car's fuel consumption increases with high speed, and fuel conservation is a key factor in reducing air pollution. When Germany was reunified in 1989, the Autobahns of East Germany were in virtually the same condition as they were in 1945, exhibiting the aforementioned qualities as well as mediocre signing, poor pavement, widely-spaced and often non-functional emergency telephones, and service areas consisting of a dilapidated roadhouse next to a short wayside. For travel by car, Germany's Autobahn system is one of the best highway systems in the world. For breaks during longer journeys, parking sites, rest areas, and truck stops are distributed over the complete Autobahn network. ring roads or the A555 from Cologne to Bonn) that usually have three digits for numbering. The speed limit on the GDR autobahns was 100 kilometres per hour (62mph); however, lower speed limits were frequently encountered due to poor or quickly changing road conditions. The European Union publishes statistics reported by its members. thick thick, Autobahns are about 8 in. [64], Prior to German reunification in 1990, eastern German states focused on restrictive traffic regulation such as a 100km/h (62mph) autobahn speed limit and of 80km/h (50mph) on other rural roads. German Autobahn: The Speed Limit Debate", "Strae und Autobahn die Zeitschrift / Fachzeitschrift Wegebau Straenplanung Straenentwsserung Flsterasphalt Reparaturasphalt Geokunststoffe Straenfertiger Straenerhaltung Straenwalzen", "Umweltauswirkungen von Geschwindigkeitsbeschrnkungen [Environmental Impacts of Speed Limits]", "StVO 2013 nichtamtliches Inhaltsverzeichnis", "Mit dem Videowagen unterwegs beim Blitzmarathon: Der ganz normale Wahnsinn auf Berlins Straen", "Autobahn-Polizei: Mit der Kamera gegen Raser", "Verordnung ber die Erteilung einer Verwarnung, Regelstze fr Geldbuen und die Anordnung eines Fahrverbotes wegen Ordnungswidrigkeiten im Straenverkehr (Bugeldkatalog-Verordnung BKatV) Anhang (zu Nummer 12 der Anlage) Tabelle 2", "Fines go up as Germans get tough on tailgaters", "DaimlerChrysler car tester charged in fatal tailgating crash on German autobahn", "Rechts berholen auf der Autobahn berholverbot 2020", "Straenverkehrs-Ordnung (StVO) 7 Benutzung von Fahrstreifen durch Kraftfahrzeuge", "Melting Autobahn, jaguars in pools, naked men on scooters: Europe faces an 'inferno', German website with descriptions of all autobahn routes and exits, English-language website that discusses all aspects of the autobahn, https://en.wikipedia.org/w/index.php?title=Autobahn&oldid=1142679019, Articles with German-language sources (de), Articles with unsourced statements from September 2020, Wikipedia articles in need of updating from September 2020, All Wikipedia articles in need of updating, Articles containing potentially dated statements from 2021, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License 3.0, Variable speed limit (with advisory maximum), Vehicles with maximum allowed weight exceeding 3.5 t (except passenger cars), Passenger cars pulling trailers certified for 100km/h, Buses certified for 100km/h not towing trailers, The right lane should be used when it is free (, In a traffic jam, drivers must form a rescue lane (. [43] 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.[44]. This prevents rapid evaporation and the formation of cracks. kill about1,700 people every year and leavearound 500,000 people injured. The official German term is Bundesautobahn (abbreviated BAB), which translates as 'federal motorway'. A residential driveway will not have the same heavy loads as a commercial or industrial driveway which tend to have lots of truck traffic and a higher volume of vehicles. Various other controlled-access highways exist on the federal (Bundesstrae), state (Landesstrae), district, and municipal level but are not part of the Autobahn network and are officially referred to as Kraftfahrstrae (with rare exceptions, like A 995 Munich-GiesingBrunntal until 2018). F Company, 310th Infantry Regiment (United States) - Wikipedia The concentration you must exert rises exponentially with speed; it's an adrenaline rush for sure, but once you've tried it, you'll understand why so many autobahn drivers in Germany cruise at more sedate speedsor just take the train. The road is expansive. about 80 mph per hour. [56] The fatality rate trend on the German autobahn mirrored those of other nations' motorways that imposed a general speed limit. Can a Bugatti go 250 mph? Grama rock mold 8" x 1" thick reusable plaster concrete resin plastic mould. In the 1930s, when construction began on the system, the official name was Reichsautobahn. [84] However, the ruling Green-Social Democratic coalition lost its majority in the March 2016 elections;[85] while Mr Hermann retained his post in the new Green-Christian Democratic government, he put aside preparations for a speed limit due to opposition from his new coalition partners. The thickness is hardly surprising. [TRANSLATION: 50 years at 50 km/h: In the Frenzy of the Economic Miracle: Germany is world-famous for unlimited speeds on motorways. [2] While driving faster 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 Richtgeschwindigkeit. Some stretches have minimum speeds of 90 kph (56 mph) or 110 kph (68 mph) in certain lanes. West Germany Modernizing 1,310 Miles of Old Autobahns Strae+Autobahn,[104] Issue 5/1995. A managed rest area (German: Autobahnraststtte or Raststtte for short) usually also includes a filling station, charging station, lavatories, toilets, and baby changes. comes up on a fairly regular basis and is always defeated, Driving the high-speed sections of the autobahn. [6][7][8] This road was not yet called Autobahn and lacked a centre median like modern motorways, but instead was termed a Kraftfahrstrae ("motor vehicle road") with two lanes each direction without intersections, pedestrians, bicycles, or animal-powered transportation. Most unlimited sections of the autobahn are located outside densely populated areas. the autobahns in Germany proved more useful for Allied military forces than for their domestic forces. If you're not passing anyone and you're just traveling, you have to move your car over to the right. cars and highway infrastructure) it may also be considered a crime and the driver could receive a prison sentence (up to 5 years). [87] A second attempt to reopen debate on the issue was made by the Left Party in 2022, rejected by the majority of CDU/CSU, Alternative for Germany and the Free Democratic Party. The first digit used is similar to the system above, depending on the region. The concrete pavement is additionally sprayed with a TCM 1800 curing unit across the entire working width immediately after paving. The 230mm-thick bottom-layer concrete was paved true to line and level and compacted by an internal vibrator, while the machine simultaneously embedded dowels and tie bars in it. The highway system is called the Bundesautobahn (Bundes=fedral). How thick is the Autobahn concrete? Survival of the fittest. Germany's Autobahn Vs US Highways: COMPARED - Business Insider Some of these limits are static while others are dynamic, changing based on traffic and road conditions. Building started by command of Adolf Hitler shortly after the Anschluss in 1938. The one facteveryone knows about theAutobahn is you can drivereally fast on it. When some folkssee police cars, they get nervouseven if they're not doing anything illegal. Yes, you can drive fast. Januar 2021", Federal Ministry of Transport and Digital Infrastructure, "Table HM-20 Highway Statistics 2018 Policy | Federal Highway Administration", "A 95: Unfall-Porsche beschlagnahmt: Starnberg Nach dem tdlichen Unfall auf der Autobahn A 95 am Starnberger Dreieck stellt sich die Frage einer Geschwindigkeitsbegrenzung. Legislation to set a hard speed limit (usually 130 kph/81 mph) comes up on a fairly regular basis and is always defeated. After all, it's a depth-specific. 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. In Gran Turismo 5, Gran Turismo 6 and Gran Turismo 7, a trophy is awarded to those who have driven the same distance as the autobahn total length. Ilustrao do Stock: Empty night dark scene with neon light and thick The Autobahn originated as an experimental highway for motorcars only between 1913 and 1921. The measure was instantly unpopular and was repealed the following March. Most rest areas also have restaurants, shops, public telephones, Internet access, and a playground. The 22,000,000,000 gallons of backup water would have threatened any river crossing operation. [62] 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. For example, if the soil is clay-like . $0.99 + $6.99 shipping. 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. Concrete offers a high resistance to deformation as well as a high load-bearing capacity able to cope with a high percentage of large trucks, while requiring minimal maintenance. In 1939, responding to fuel shortages, the government lowered the limit to 40 kph (25 mph) in town and 80 kph (50 mph) on all other roads. There are sections of the former German Reichsautobahn system in the former eastern territories of Germany, i.e. Cars have free. Change), You are commenting using your Twitter account. Following Germany's defeat, the road network that would soon be known as the Bundesautobahn (Federal Highway) was in bad shape. Does the Autobahn have curves? How Thick to Pour Concrete Patio? - Civiljungle I think that in the future, engineers should look to the Autobahn as what can be done right when building highways and continue to move our transportation system into the future. The program used should be based on AASHTO design methods. If you live in places where road construction and/or maintenance leaves something to be desiredLos Angeles and Detroit come to mindGerman Autobahns are designed for high-speed driving. Though it's difficultto connect tailgating directly to the cause of rear-end collisions, when you tailgate, you have less time to react to abrupt situations that could happen in front of you. 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 130km/h (81mph) on all German autobahns. http://www.funis2cool.com/cool/planes-cross-over-autobahn-bridge-at-the-leipzig-halle-airport.html, http://www.gettingaroundgermany.info/autobahn.shtml. This roadway was built with freeze-resistant concrete or a bituminous surface and the roadbed and surface typically measure 75 cm in thickness to ensure cold-weather safety prevent warping. Though the whole Autobahn system isn't unrestricted, large, primarily rural sections are enough for you to get from Point A to Point B way faster than you would in the US. Its amazing to read about all of the little (and big) things they considered when constructing the highway and how it affects traffic. "The way it is constructed is an example of the art of engineering." The Autobahn is financed by taxes and maintained by the German state itself and not the regions it crosses. 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., 130km/h (81mph) freeway advisory limit, 100km/h (62mph) on other rural roads, and 0.05 percent BAC).[66]. The world record of 432 kilometres per hour (268mph) set by Rudolf Caracciola on this stretch just prior to the accident remains one of the highest speeds ever achieved on a public motorway. Bicyclists may not . The route runs from Brandenburg through Saxony-Anhalt, Saxony, Thuringia and into Bavaria. Need for Speed: Porsche Unleashed also had a track that had the player drive across different sections of the autobahn. Driving in Germany is regulated by the Straenverkehrs-Ordnung (road traffic regulations,[107] abbreviated StVO). Germany's autobahns are famous for being among the few public roads in the world without blanket speed limits for cars and motorcycles. ", "Speed limits on autobahn? Parts of the planned autobahn from Berlin to Knigsberg (the Berlinka) were completed as far as Stettin (Szczecin) on 27 September 1936. Bereits im Oktober 2012 gab es hier einen schweren Unfall", "60 km/h erlaubte Hchstgeschwindigkeit auf der Autobahn 59", "Tempo 30: Es blitzt und blitzt an der Autobahn", "Grenzenlos das 250 km/h-Limit brckelt", "Die Sache mit der Geschwindigkeit Geschichte der Tempobeschraenkungen im Fuer und Wider Transport Research International Documentation TRID", "Verkehr und Klima: Rasen ohne Tempolimit", "Tempolimit: Freie Fahrt Wo geht das noch in Deutschland? The roads around NYC are mostly asphalt but there is concrete underneath for a roadbed. They also separate the Autobahn acceleration and exit lanes. The autobahn fatality rate of 1.6 deaths per billion travel-kilometres compared favorably with the 4.6 rate on urban streets and 6.5 rate on rural roads. The German autobahn | Driving in Germany - IamExpat Change), You are commenting using your Facebook account. Even german Autobahn-motorways are already 2-3 feet thick of asphalt, with crushed stone beyond it. The route runs from Brandenburg through Saxony-Anhalt, Saxony, Thuringia and into Bavaria. In the 1930s, a ten-kilometre stretch of what is today Bundesautobahn 9 just south of Dessaucalled the Dessauer Rennstreckehad bridges with no piers and was designed for cars like the Mercedes-Benz T80 to attempt to make land speed records. Plastic lion Sun plaque mold concrete plaster casting garden mould 9.75" x 1/3" MS-1 Thickness Design-Highways & Streets. During the 1950s, the West German government restarted the construction program. The result is 86.6 million ESALs, which is an increase from the original (10 inch) of 85%, or slightly less than two times the capacity. Ironically. A flat-country autobahn that was constructed to meet standards during the Nazi period could support speeds of up to 150km/h (93mph) on curves. To meet the lifetime requirements the consortium carrying out the work, 3281 Eurovia, opted to use concrete surfacing, with a finish designed to reduce surface noise. The northsouth autobahns are generally numbered from west to east; that is to say, the more easterly roads are given higher numbers. As a result, most military and economic freight was carried by rail. In December 1973, the oil crisis prompted the West German government to set an autobahn speed limit of 100 kph (62 mph). 1/2001", "Last section of Germany's Autobahn, built in 1936, to disappear", "Lngenstatistik der Straen des berrtlichen Verkehrs, Stand: 1. thick, and other classes of pavements fall some- what m between. An average user is charged 0.15 per kilometre, or about $0.31 per mile (Toll Collect, 2007). Cinch up that seat belt and let's find out. About the Autobahn | USA Today Similarly, the eastwest routes are numbered from north (lower numbers) to south (higher numbers). 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" (Erhhte Betriebsgefahr). Up to a speed of 60km/h (37mph), if the left lane is crowded or driving slowly, it is permitted to pass cars on the right side if the speed difference is not greater than 20km/h (12mph), "Autobahn", a song by South Korean Boyband, * original plan: number is used by another route now, This page was last edited on 3 March 2023, at 20:16. The Autobahn features many technological characteristics that allow for the unimpeded, high speed traffic flow the Autobahn is famous for. 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. All of this can take up to six months to finish up, if it's all donesuccessfully, and it could cost over $2000. The first crossroads-free road for motorized vehicles only, now A 555 between Bonn and Cologne, had a 120km/h (75mph) limit when it opened in 1932. [103] One study reported in a transportation engineering journal offered historical perspective on the increase in travel speeds over a decade: Source: Kellermann, G: Geschwindigkeitsverhalten im Autobahnnetz 1992. This still equals four calls per kilometre each year. 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. The contracting team has been using two Wirtgen pavers to lay the top and bottom layers, wet on wet, For more information on companies in this article. By clicking Sign up, you agree to receive marketing emails from Insider What is the average thickness of a concrete slab used on - Quora [74][75][76], 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. [19] 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 A 5 in the southwest and A 8 going eastwest.