Definition of underpass in English:
A road or pedestrian tunnel passing under another road or a railroad.
- A subway is a pedestrian underpass, generally under a road.
- The park would then take a route through an underpass beneath the trunk road and continue on the side of Ramsey village.
- On the other side is a new link road taking motorists to a new underpass under the dual carriageway.
Definition of underpass in:
- British & World English dictionary