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In the cases where a new motorway acts as a bypass of a state highway route, the original state highway is either stripped of that status or renumbered. A low road number means a road suitable for long-distance driving. In Belgium, motorways but also some dual carriageways have numbers preceded by an A. However, those that also have an E-number ...
Road Zipper machine at the Golden Gate Bridge, San Francisco, California. A barrier transfer machine, also known as zipper machine or road zipper, is a type of heavy vehicle that is used to transfer concrete lane dividers, such as Jersey barriers, in order to relieve traffic congestion during rush hours. Many other cities use them temporarily ...
The Texas A&M Transportation Institute (TTI) in Bryan/College Station, Texas is a transportation research agency in the United States. The institute was created in 1950, primarily in response to the needs of the Texas Highway Department (now the Texas Department of Transportation). TTI is a state agency and a member of the Texas A&M University ...
The American Association of State Highway and Transportation officials (AASHTO) provides a table from which desired superelevation rates can be interpolated, based on the designated speed and radius of a curved section of roadway. This table can also be found in many state roadway design guides and manuals in the U.S.
Reflective markers are used as travel lane dividers, to mark the central reservation (median) or to mark exit slip-roads. Incorporating a raised retro-reflective element, they are typically more visible at night and in inclement weather than standard road marking lines.
Bundesautobahn 9 near by Garching bei Muenchen, Germany. At the top of the hierarchy in terms of traffic flow and speed are controlled-access highways; their defining characteristic is the control of access to and from the road, meaning that the road cannot be directly accessed from properties or other roads, but only from specific connector roads.
In transportation engineering, traffic flow is the study of interactions between travellers (including pedestrians, cyclists, drivers, and their vehicles) and infrastructure (including highways, signage, and traffic control devices), with the aim of understanding and developing an optimal transport network with efficient movement of traffic and minimal traffic congestion problems.
Business State Highway 6-R (Bus. SH 6-R, formerly Loop 507) is a business loop that runs through the cities of Bryan and College Station. The highway is known locally as Texas Avenue in both cities and runs along the eastern boundary of Texas A&M University in College Station. The route was created in 1990 with the re-designation of Loop 507 ...