Viaduct vs. Flyover

Viaductnoun

(transport) A bridge with several spans that carries road or rail traffic over a valley or other obstacles.

Viaductnoun

A structure of considerable magnitude, usually with arches or supported on trestles, for carrying a road, as a railroad, high above the ground or water; a bridge; especially, one for crossing a valley or a gorge. Cf. Trestlework.

Viaductnoun

bridge consisting of a series of arches supported by piers used to carry a road (or railroad) over a valley

Viaductnoun

a long bridge-like structure, typically a series of arches, carrying a road or railway across a valley or other low ground.

Viaduct

A viaduct is a specific type of bridge that consists of a series of arches, piers or columns supporting a long elevated railway or road. Typically a viaduct connects two points of roughly equal elevation, allowing direct overpass across a wide valley, road, river, or other low-lying terrain features and obstacles.

Flyovernoun

(US) A low-level flight, especially of military aircraft, of a ceremonial nature; a flypast British

Flyovernoun

(British) A road or railway that passes over another, allowing routes to cross without interruption.

Flyovernoun

(US) A high-level overpass built above main overpass lanes

Flyovernoun

the upper level of a crossing of two highways at different levels; called in the United States an overpass; as, an overpass is called a flyover or a flypast in England.

Flyovernoun

a low-altitude flight (usually of military aircraft) over spectators on the ground.

Flyovernoun

bridge formed by the upper level of a crossing of two highways at different levels;

Flyovernoun

a low-altitude flight (usually of military aircraft) over spectators on the ground