As every summer, modernization work is continuing on public transport. While disruptions are expected on the metro (lines 4,12, 13, etc.), service interruptions are also to be expected on the RER network. All lines are affected, except for line E. New service interruptions are therefore scheduled for summer 2026 due to "the replacement of track equipment, sleepers, and ballast."
These works will have an impact on users and will therefore causeservice disruptions. The RER A will beclosed fromAugust 8 to 23, 2026, between Vincennes (not included) and Noisy-le-Grand - Mont d'Est, i.e., for almost the entire month of August. The Nation station will also be closed for two months while SNCF Réseau replaces four sets of points at Maisons-Laffitte station, working at night on weekdays from June1 to 17 and continuously over five weekends from June 6 to July 5.
RER A: Nation station closed for two months in summer 2026
In order to best assist Paris and Île-de-France public transport users in their future journeys, Île-de-France Mobilités has lifted the veil on the major works to come, particularly the summer works. On the RER A, the Nation station will be closed for two consecutive months, from June 29 to August 30, 2026. [Read more]
Are there any disruptions on the RER A line at the moment? Here is real-time information on traffic on this RATP-SNCF public transport line. [Read more]
Official website
rera-leblog.fr
RER A: Nation station closed for two months in summer 2026
RER A: disrupted or interrupted service, real-time information on the public transport line
