flyover

Short definition from Wiktionary

Noun

1. 1
   A low-level flight, especially of military aircraft, of a ceremonial nature; a flypast (British).
2. 2
   A road or railway that passes over another, allowing routes to cross without interruption.
3. 3
   A high-level overpass built above main overpass lanes.
4. 4
   Middle America, noncoastal America.