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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, [2] while increasing traffic capacity and speed.
Learn about the history, construction, and features of the Interstate Highway System, a network of controlled-access highways in the United States. The system was proposed by President Dwight D. Eisenhower and funded by the federal government, and has a total length of 48,890 miles (78,680 km).
Learn about the design requirements for Interstate Highways in the United States, defined by the American Association of State Highway and Transportation Officials. Find out the standards for controlled access, speed, grade, lanes, shoulders, pavement, median, clearance, bridges and more.
An arterial road is a road without controlled access that can carry a large volume of local traffic at a generally high speed, being below controlled-access highways in the hierarchy. Learn more about the road hierarchy, its functions, capacities, and examples from different countries.
The New Jersey Turnpike (NJTP) is a system of controlled-access highways in the U.S. state of New Jersey.The turnpike is maintained by the New Jersey Turnpike Authority. [a] The 117.2-mile (188.6 km) mainline's southern terminus is at the Delaware Memorial Bridge on I-295 in Pennsville.
A controlled-access highway is a type of road that has limited access and high speed. This web page lists the names and features of such highways in different countries and regions of the world.
An elevated highway is a raised controlled-access highway that is built as a single bridge. Learn about the reasons, alternatives, and history of elevated highways, and see some examples from around the world.
Highways with full control of access and no cross traffic, typically called freeways, expressways and motorways, and related articles. Subcategories This category has the following 4 subcategories, out of 4 total.