noun
- a road or path that goes under another road or a railway
Examples
- The pedestrian underpass connects both sides of the busy highway.
- We drove through the underpass to avoid the traffic light above.
- The new underpass will allow trains to pass over the road safely.
- Children use the underpass to walk to school without crossing the street.
- The underpass was flooded after the heavy rain last night.
- Construction of the underpass took six months to complete.