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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.
An example of the potential complexity of grade separation, seen in the Jane Byrne Interchange in Chicago Seven various overpasses for grade separation in Spain near Barcelona Rail-rail grade separation in Xiaoshan, China The concept of grade separation includes all transport modes, such as a simple pedestrian bridge over rail tracks.
Geometric roadway design can be broken into three main parts: alignment, profile, and cross-section. Combined, they provide a three-dimensional layout for a roadway. The alignment is the route of the road, defined as a series of horizontal tangents and curves.
Linear referencing, also called linear reference system or linear referencing system (LRS), is a method of spatial referencing over linear or curvilinear elements, such as roads or rivers. In LRS, the locations of physical features are described parametrically in terms of a single curvilinear coordinate , typically the distance traveled from a ...
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.
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 ...
In the context to structural analysis, a structure refers to a body or system of connected parts used to support a load. Important examples related to Civil Engineering include buildings, bridges, and towers; and in other branches of engineering, ship and aircraft frames, tanks, pressure vessels, mechanical systems, and electrical supporting structures are important.
Seoullo 7017 (Korean: 서울로 7017), also known as the Seoul Skygarden or Skypark, is an elevated, linear park in Seoul, built atop a former highway overpass.The path, which is about one kilometer in length and lined with 24,000 plants, is similar to New York City's High Line.