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Transport Question--CDG to Dourdan

Scheduled to arrive CDG Saturday, March 25th at 14:10. With RER C not stopping at St. Michel-Notre Dame, looks like my public transit options are...

  1. RER B to Massy Palaiseau, then a a bus
  2. RER B -> 5 -> RER C (via Gare du Nord/Gare d'Austerlitz)
  3. Taxi to Gare d'Austerlitz, then RER C.

Traveling solo, carry-on only. Flight is non-stop from LAX.

I'm thinking to just pay for the taxi, but saving a few Euros is also appreciated.

Looking for any thoughts/opinions on which option you would chose. And, I know there is some possibility that RER B won't be available due to construction--in which case, taxi it is! Thank you.

Posted by
8551 posts

When the RER B is down for construction there is a bypass bus that takes you to Stade du France where you can catch the RER D to Gare du Nord and onto wherever in Paris. So you are not forced into a cab. If you stay with the trains e.g. option B above then you can buy one ticket from CDG to your destination and just transfer as needed on that one ticket.