The Paris métro had it until the early 90s, although it had been not so well enforced by the time they got rid of it. https://www.messynessychic.com/2014/12/04

The Paris métro had it until the early 90s, although it had been not so well enforced by the time they got rid of it. https://www.messynessychic.com/2014/12/04/that-time-the-paris-metro-was-segregated-by-a-class-system/ https://www.messynessychic.com/2014/12/04/that-time-the-pari...