Massy-Verrières is a station of the Île-de-France RER, in Massy, at the junction of RER B and RER C. Its station is at nearby Verrières-le-Buisson.
Wikipedia https://en.wikipedia.org/wiki/Massy-Verrières_station
Address 1 Avenue de Verrières, Massy 91300, France
Coordinates 48°44'5.22" N 2°16'24.549" E
