Crossings and Underpass

Underpass and crossings are semantically related. in pathway to traverse larger path topic. In some cases you can use "Underpass" instead a noun "Crossings".

Underpass noun - An underground tunnel or passage enabling pedestrians to cross a road or railway.

Crossings and underpass are semantically related. Sometimes you can replace term "Crossings" with "Underpass", this nouns are similar.