Overpass

Highway overpass in Greensboro, North Carolina
Overpass crossing multiple railway lines and roads in Kyoto, Japan
In Hong Kong, an overpass is built along a street or road, like Hill Road Flyover, to alleviate traffic between two main roads.

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.

  1. ^ Henry K. Evans (1950). "Read the ebook Traffic engineering handbook by Institute of Traffic Engineers". ENGINEERING HANDBOOK, Second Edition 1950. New Haven, Connecticut: Institute of Traffic Engineers. Archived from the original on March 18, 2012. Retrieved October 9, 2010 – via eBooksRead.com. Search for [Separation, Grade].