Due to a nationwide strike at the SNCF, traffic is expected to be severely disrupted on public transport in the Île-de-France region on May 7, 2025. Disruptions are expected on four RER lines and seven Transilien lines. Discover the traffic forecasts for Île-de-France public transport on Wednesday.
Be careful if you have to use public transport in the Paris region this week, from May 5 to 11, 2025. Due to a nationwide SNCF strike, traffic is disrupted on several RER and Transilien lines in Paris and the Île-de-France region.
On Monday May 5, the strike caused disruptions on three RER lines and two Transilien lines. On Tuesday, the situation was virtually identical in the Paris region. So what can we expect on May 7? New, more extensive disruptions are expected this Wednesday. Four RER lines will be affected. On the Transilien, seven lines will be affected. So, which lines are affected? And what are the traffic forecasts for this Wednesday, May 7, 2025, in Paris and the Ile-de-France region?
As for the RER, major disruptions are once again expected on RER line C, with 1 train out of 2 expected. This RER line crosses the Paris conurbation, with numerous junctions, including Porte Maillot, Avenue du Président Kennedy, Champ-de-Mars, Les Invalides, Musée d'Orsay, Saint-Michel and Gare d'Austerlitz.
Another RER line affected by the strike this Wednesday? RER line B, which is very popular with commuters. Here too, traffic will be"severely disrupted". As on Tuesday, expect 1 train out of 2 on the northern part of the line, and 2 trains out of 3 on the southern part. On RER line E, traffic will be"very heavily disrupted". The same applies to RER line D. Transilien SNCF advises RER D users not to travel on this day,"as far as possible".
What about Transilien? Seven lines will see their traffic disrupted on May 7. These are lines H, J, K, N, P, R and U. Among the Transilien lines most affected? The R line, with"very heavily disrupted" traffic this Wednesday.
SNCF strike: RER traffic forecasts for Wednesday May 7
- RER A: no disruption expected on Wednesday May 7.
- RER B : heavy traffic disruption on Wednesday May 7.
- Expect 1 train out of 2 on the northern part of the line.
- Expect 2 out of 3 trains on the southern part of the line.
- No train changes at Gare du Nord.
- No trains from 22:45 between Gare du Nord and Aéroport Charles De Gaulle / Mitry Claye due to roadworks.
- RER C : traffic severely disrupted on Wednesday May 7.
- RER D : traffic heavily disrupted on the entire line on Wednesday May 7.
- Between Creil and Corbeil-Essonnes: expect 1 train out of 3.
- Between Goussainville and Melun: expect 1 train out of 2.
- Between Corbeil-Essonnes and Malesherbes: 1 train out of 5 only between 6am and 9am, then between 5pm and 8pm.
- Between Juvisy and Melun via Ris-Orangis: no trains.
- No replacement buses run in the evening.
- RER E : traffic severely disrupted on Wednesday May 7.
SNCF strike: Transilien traffic forecasts for Wednesday May 7
- Line H : traffic disruption on Wednesday May 7.
- Line J: traffic disruption on Wednesday May 7.
- Expect 2 out of 3 trains.
- Line K: traffic disrupted on Wednesday May 7.
- Expect 2 out of 3 trains.
- L line: no disruption expected on Wednesday May 7.
- N line : heavy traffic disruption on Wednesday May 7.
- Line P: traffic disrupted on Wednesday May 7.
- Expect 2 out of 3 trains.
- Line R: very heavy traffic disruption on Wednesday 7 May.
- Between Paris Lyon and Montereau via Moret: expect 1 train out of 2 between 6am and 9am then between 5pm and 9.45pm.
- Between Paris Lyon and Montargis: expect 1 train out of 2 between 6am and 9am, then between 5pm and 6pm.
- Between Melun and Montereau via Héricy: no trains.
- No replacement buses run in the evening.
- Line U : traffic disruption on Wednesday May 7.
- Expect 2 out of 3 trains.
- Line V : no disruption expected on Wednesday May 7.
Passengers are therefore invited to consult train timetables using the route finder or by personalizing their timetable.
