Two train and RER stations are located in Dourdan: Dourdan and Dourdan-la-Forêt, terminus of one of the branches of the RER C line.
Dua stasiun terletak di Dourdan: Dourdan dan Dourdan-la-Forêt (Dourdan Daerah Berhutan), ujung jalur salah satu cabang jalur "RER C".