Overpass
Appearance
Overpass at East Potomac Park, Washington, DC
An overpass (In UK, India, flyover) is a bridge, road or similar structure that crosses over another road.
In North America, a flyover is a high-level overpass, built above main overpass lanes.
From the railway's point of wiew, the structure in the picture is an underbridge.
See also: skyway, freeway, highway, interstate highway
See also: Underpass