jalakäijate tunnel tähendus null.

subway [subways]▼◼◼◼noun
[UK: ˈsʌb.weɪ] [US: ˈsʌˌb.we]

underpass [underpasses]▼◼◼◻noun
[UK: ˈʌn.də.pɑːs] [US: ˈʌn.dər.ˌpæs]