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SPUI
A single-point urban interchange (SPUI, or ), also called a single-point interchange (SPI) or single-point diamond interchange (SPDI), is a type of highway interchange. The design was created in order to help move large volumes of traffic through limited amounts of space safely and efficiently. Description A SPUI is similar in form to a diamond interchange but has the advantage of allowing opposing left turns to proceed simultaneously by compressing the two intersections of a diamond into one single intersection over or under the free-flowing road. The term "single-point" refers to the fact that all through traffic on the arterial street, as well as the traffic turning left onto or off the interchange, can be controlled from a single set of traffic signals. Due to the space efficiency of SPUIs relative to the volume of traffic they can handle, the interchange design is being used extensively in the reconstruction of existing freeways as well as constructing new freeways, p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cloverleaf Interchange
A cloverleaf interchange is a two-level interchange in which all turns are handled by slip roads. To go left (in right-hand traffic; reverse directions in left-driving regions), vehicles first continue as one road passes over or under the other, then exit right onto a one-way three-fourths loop ramp (270°) and merge onto the intersecting road. The objective of a cloverleaf is to allow two highways to cross without the need for any traffic to be stopped by traffic lights. The limiting factor in the capacity of a cloverleaf interchange is traffic weaving. Overview Cloverleaf interchanges, viewed from overhead or on maps, resemble the leaves of a four-leaf clover or less often a 3-leaf clover. In the United States, cloverleaf interchanges existed long before the Interstate system. They were originally created for busier interchanges that the original diamond interchange system could not handle. Their chief advantage was that they were free-flowing and did not require t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diverging Diamond Interchange
A diverging diamond interchange (DDI), also called a double crossover diamond interchange (DCD), is a subset of diamond interchange in which the opposing directions of travel on the non-freeway road cross each other on either side of the interchange so that traffic crossing the freeway on the overpass or underpass is operating on the opposite driving side from that which is customary for the jurisdiction. The crossovers may employ one-side overpasses or be at-grade and controlled by traffic light. The diverging diamond interchange has advantages in both efficiency and safety, and—despite having been in use in France since the 1970s—was cited by ''Popular Science'' as one of the best engineering innovations of 2009 and in the U.S. has been promoted as part of the Federal Highway Administration's Every Day Counts initiative. The flow through a diverging diamond interchange using overpasses at the crossovers is limited only by weaving, and the flow through an implementation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Highway Interchange
In the field of road transport, an interchange (American English) or a grade-separated junction (British English) is a road junction that uses grade separations to allow for the movement of traffic between two or more roadways or highways, using a system of interconnecting roadways to permit traffic on at least one of the routes to pass through the junction without interruption from crossing traffic streams. It differs from a standard intersection, where roads cross at grade. Interchanges are almost always used when at least one road is a controlled-access highway (freeway or motorway) or a limited-access divided highway (expressway), though they are sometimes used at junctions between surface streets. Terminology ''Note:'' The descriptions of interchanges apply to countries where vehicles drive on the right side of the road. For left-side driving, the layout of junctions is mirrored. Both North American (NA) and British (UK) terminology is included. ; Freeway junction, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diamond Interchange
A diamond interchange is a common type of road junction, used where a controlled-access highway crosses a minor road. Design The freeway itself is grade-separated from the minor road, one crossing the other over a bridge. Approaching the interchange from either direction, an off-ramp diverges only slightly from the freeway and runs directly across the minor road, becoming an on-ramp that returns to the freeway in similar fashion. The two places where the ramps meet the road are treated as conventional intersections. In the United States, where this form of interchange is very common, particularly in rural areas, traffic on the off-ramp typically faces a stop sign at the minor road, while traffic turning onto the freeway is unrestricted. The diamond interchange uses less space than most types of freeway interchange, and avoids the interweaving traffic flows that occur in interchanges such as the cloverleaf. Thus, diamond interchanges are most effective in areas where ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
URS Corporation
URS Corporation (formerly United Research Services) was an engineering, design, and construction firm and a U.S. federal government contractor. Headquartered in San Francisco, California, URS was a full-service, global organization with offices located in the Americas, Europe, Africa, and Asia-Pacific. URS was acquired by AECOM on October 17, 2014. History URS Corporation’s oldest predecessor company was founded in 1904. URS was established in 1951 and incorporated in 1957 as Broadview Research – a research group active in the area of physical and engineering sciences. In 1967, management developed a growth strategy focused on building a multidisciplinary professional services firm. In 1968, Broadview Research acquired United Research Incorporated of Cambridge, Massachusetts. During this period, the name Broadview Research was changed to United Research Services and later shortened to URS. URS was publicly traded as from January 13, 1978 through its acquisition by AECOM ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 40
, (named A 430 until the early 1990s) is one of the most used Autobahns in Germany. It crosses the Dutch-German border as a continuation of the Dutch A67 and crosses the Rhine, leads through the Ruhr valley toward Bochum, becoming B 1 ( Bundesstraße 1) at the Kreuz Dortmund West and eventually merging into the A 44 near Holzwickede. It has officially been named Ruhrschnellweg (Ruhr Fast Way), but locals usually call it Ruhrschleichweg (Ruhr Crawling Way) or "the Ruhr area's longest parking lot". According to ''Der Spiegel'', it is the most congested motorway in Germany. In the city of Essen, a Stadtbahn service operates on the median of the A 40 between Tunnel Ruhrschnellweg and Mülheim-Heißen. Between the Essen-Huttrop and the Essen-Kray junctions, there is a guided bus system called Spurbus. Exit list , ''Netherlands'' , - , colspan="3", ---- (Märkische Straße) (Semerteic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 42
is an autobahn in western Germany. It connects Kamp-Lintfort with Castrop-Rauxel, linking several large cities in the Ruhr area, such as Dortmund, Duisburg, the North of Essen and Gelsenkirchen. It is colloquially known as ''Emscherschnellweg'', after the river Emscher The Emscher () is a river, a tributary of the Rhine, that flows through the Ruhr area in North Rhine-Westphalia in western Germany. Its overall length is with an mean outflow near the mouth into the lower Rhine of . Description The Emscher h ..., which it roughly follows. Construction went underway in the 1970s and 1980s. Exit list External links 42 A042 {{Germany-road-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 44
is a German Autobahn. It consists of three main parts and a few smaller parts. It begins in Aachen at the German–Belgian border and ends near Kassel. Before the German unification it was an unimportant provincial motorway but after this event it became an integral part of the German highway system. The A 44 is a highly frequented link between the Rhine-Ruhr-Area and the new German states, especially Thuringia, and by proxy, eastern European states like Poland and Ukraine. History of construction The first section of this motorway which was opened was the connection between Aachen and the interchange Aachen. This was in 1963. Auxiliary runway for military aircraft The section Geseke-Büren was constructed as an auxiliary runway. This section is even and straight, without any constructions like bridges and the crash-barriers can be taken out. It was constructed to be a runway for US-military aircraft in a war with NATO's opponent, the Warsaw Pact. At both ends of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 46
is an Autobahn in Germany. It is noncontiguous and split in several parts in the state of North Rhine-Westphalia, an extension to Kassel in Hesse was planned but has been abandoned. Exit list , - , colspan="2" style="text-align:Center;", N297 , '' Netherlands'' , - , colspan="3", ---- , - , colspan="3", ---- , - , colspan="3", ---- Neheim Arnsberg (; wep, Arensperg) is a town in the Hochsauerland county, in the German state of North Rhine-Westphalia. It is the location of the Regierungsbezirk Arnsberg administration and one of the three local administration offices of the Hochs ... External links 46 A046 {{Germany-road-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 59
is an autobahn in Germany that starts in Dinslaken and runs with three breaks along Duisburg, Düsseldorf and Cologne to Bonn. In Duisburg it is also the city highway. Between Cologne and Bonn the A 59 has the nickname "Flughafenautobahn" (Airport motorway), because it runs along the Cologne Bonn Airport Cologne Bonn Airport (german: Flughafen Köln/Bonn 'Konrad Adenauer') is the international airport of Germany's fourth-largest city Cologne, and also serves Bonn, former capital of West Germany. With around 12.4 million passengers passing thr .... Exit list , - , colspan="3", ---- , - , colspan="3", ---- , - , colspan="2", , '' Kölner Ring'' , - , colspan="3", ---- ((Airport) External links 59 A059 {{Germany-road-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 57
is a German Autobahn that begins at the Dutch-German border near Goch and ends in Köln. It runs parallel to the Rhine River. Neuss and Krefeld are the biggest cities at this motorway. The A 57 is continuation of the Dutch A77. Because of its high economic importance, its nickname is "Trans-Niederrhein-Magistrale". Most of it is two lanes each way only and prone to traffic jams in the rush hour. Currently the sections junction 15 - 18, 19 - 24 and 29 - 30 have three lanes each way. The section from junction 28 to 29 southbound has the possibility to open the hard shoulder as a third lane in heavy traffic. Traffic jams are possible between junctions 10 and 15, 17 and 20 as well as around junctions 27/28. There is a variable speed limit between junction 10 and 23. The sections from junction 23 to 24 and 27 to 30 have a limit of 100 km/h. Between junctions 27 and 28 the limit was reduced to 80 km/h between 10pm and 6am at night. Exit list , colspan="2", , ''From i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Florida State Road 60
State Road 60 (SR 60) is an east–west route transversing Florida from the Gulf of Mexico to the Atlantic Ocean. The western terminus of SR 60 is at the ''Sunsets at Pier 60'' site in Clearwater Beach. The eastern terminus is in Vero Beach near the Atlantic Coast just past State Road A1A. Route description SR 60 is primarily a four lane divided highway from its western terminus through the town of Lake Wales to County Road 630 near Indian Lake Estates; from there it is a two-lane road until reaching Florida's Turnpike at Yeehaw Junction. From there until its eastern terminus it is a divided highway. In the Tampa Bay area it is the main route from Tampa to the Clearwater area beaches and from Tampa International Airport to northern Pinellas county. It also provides service from Tampa International Airport to the Suncoast Parkway. It is the main non-limited access route from downtown Tampa to Brandon, paralleling the Lee Roy Selmon Expressway. As of 2005, SR 60 briefly div ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
