By TGV: Gare de Massy TGV or RER B Massy Palaiseau stop: Exit on the Atlantis side then walk (less than 10 minutes) or take bus line 199 to the Baudusse-Baudot stop. From Chartres (A11) or Orléans (A10) follow signs for Paris then take the exit for the Gare de Massy Palaiseau. From Lyons or Paris (A6), take the Palaiseau exit, then Massy Z.I., then take the 3rd exit at the traffic circle. From Orly airport (South or West exit) take shuttle 91.10 and get off at Gare de Massy TGV.
Private outdoor parking (paying)