Passenger vehicle and Public transport

Passenger vehicle noun - A vehicle carrying many passengers; used for public transport.

Public transport and passenger vehicle are semantically related. In some cases you can use "Public transport" instead a noun phrase "Passenger vehicle".

Public transport noun - Conveyance for passengers or mail or freight.

Passenger vehicle and public transport are semantically related. Sometimes you can replace phrase "Passenger vehicle" with "Public transport", this phrases are similar.