RER A Summer work
From 15 to 30 August, RER line A is closed every nights and week-ends between Auber and Nanterre—Université • Cergy • Poissy.
From 8 to 14 August, RER line A will be closed 24-hour between Auber and Vincennes.
Many tools are available to assist you throughout the summer.
To remind you of all the information relating to the summer closure of the RER A, download our digital calendar.