RER A1

The RER Ligne A1 (French for RER Line A1) is a branch of the RER A which operates between Saint-Germain-en-Laye and meets the city branch at Nanterre-Prefecture.

The trains operate from Vicennes (A2 and A4 branch)and stop at:

  • Vicennes
  • Nation
  • Gare de Lyon
  • Châtelet-Les Halles
  • Auber
  • Charles De Gaulle-Étoile
  • La Defense (Grande Arche)
  • Nanterre-Préfecture
  • Nanterre-Université
  • Nanterre-Ville
  • Rueil-Malmaison
  • Chatou-Croissy
  • Le Vésinet-Centre
  • Le Vésinet-Le Pecq
  • Saint-Germain-en-Laye