Question

For the corresponding situations, pick the most relevant solution.

• A. Tunnel
• B. Bridge
• C. Level crossing

Answer 1

A bridge is a structure built to cross a physical obstacle in travel, such as a waterbody or road, without disturbing its path.
A Tunnel is a long underground passage cut across a mountain to cross them.
A level crossing is a junction where a railway line and a road crosses each other. In order to avoid accidents gates are operated at level crossing, and the road is closed while a train crosses it.