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An overpass, called an overbridge or flyover (for a road only) in the United Kingdom and some other Commonwealth countries, is a bridge, road, railway or similar structure that is over another road or railway. An overpass and underpass together form a grade separation. [1] Stack interchanges are made up of several overpasses.
In civil engineering, clearance refers to the difference between the loading gauge and the structure gauge in the case of railroad cars or trams, or the difference between the size of any vehicle and the width/height of doors, the width/height of an overpass or the diameter of a tunnel as well as the air draft under a bridge, the width of a lock or diameter of a tunnel in the case of watercraft.
A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, [a] motorway, [b] and expressway. [c] Other similar terms include throughway or thruway [d] and parkway.
That project would add a bridge spanning Highway 101 in San Luis Obispo at Prado Road, new on- and off-ramps and auxiliary lanes on the highway and separated sidewalks and protected bike lanes for ...
And to keep up to date with road work and detours in the region visit projects.511wi.gov or the Outagamie County highway projects update page. Interstate 41 expansion project begins this spring
A freeway lid (also known as a lidded freeway, freeway cap, highway cap or highway deck) is a type of deck bridge built on top of a controlled-access highway or other roadway. It is commonly used to create new parkland in urban areas, but can also be used to house buildings or other heavy structures like convention centers .
Oct. 14—South Eagle River overpass damaged The Alaska Department of Transportation and Public Facilities is reviewing the heights of all the bridges on the Glenn Highway after a semi hit a ...
The most expensive part of the project was the 0.6-mile (0.97 km) segment between exits 2B and 2A in Tremont, Bronx, which was planned to cost $11.788 million; it included a 300-foot-long (91 m) tunnel under the Grand Concourse and the underground Concourse Line, as well as an open cut that passed under five avenues. [68]