English version

rapid transit system in Trains & railways topic

From Longman Dictionary of Contemporary Englishrapid transit systemˌrapid ˈtransit ˌsystem (also rapid transit) noun [countable] American English  TTTa system for moving people quickly around a city using trains
Examples from the Corpus
rapid transit systemHe was the chief architect in charge of the then-burgeoning rapid transit system - and it turns out he was also a painter.