Wiktionary
underpasses
n. (plural of underpass English)
Usage examples of "underpasses".
But all those people, all those faces, those lost souls sleeping near railroad tracks and under underpasses and on loading docks.
They covered the loading docks and the railroad tracks, the underpasses and the back alleys, as they always did.
They were built for motoring speed, these thoroughfares, with underpasses and overpasses instead of crossroads.
The strangest thing was the geometry, or lack of it -- for everywhere and on all levels, walls met at odd, asymmetrical angles, passages branched between buildings, roadways curved beneath underpasses to emerge in a different direction, and nothing seemed to run square to anything else, anywhere.