

Changes from August 25, 2025!
As of August 25, 2025, in addition to the renumbering, some lines in your Poissy - Les Mureaux territory are changing. Check out these developments below:
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Line 6501 (ex-line 1), Line 6502 (ex-line 2), and Line 6503 (ex-line 3):
On the last 5 trips to Saint-Germain-en-Laye station, André Derain college in Chambourcy and La Coudraie in Poissy, connections will be provided between these 3 lines at the Parvis Gare de Poissy stop from Monday to Sunday. A 5-minute time is set up to allow you to change vehicles.
The 4:55 p.m. trip will be moved to 4:58 p.m. to facilitate the connection with line 6536 (formerly line 24).
Start times and travel times are adjusted.
The Vallée Maria stop will now be served on all routes.
The departure times from Notre-Dame Chemin Vert will be staggered to 12:45 p.m. on Wednesdays and 4:45 p.m. on other days of the week.
The 12:45 p.m. race from the Henri IV college, on Wednesday, to the Tessancourt Town Hall is moved to Line 6562 (Line 62).
The line will serve the Centre Commercial Espace and Médiathèque stops in Les Mureaux. The La Falaise stop in Epône will now be served in both directions.
The 12:18 p.m. race will be postponed to 12:25 p.m. to allow the return of students from the Charles de Gaulle high school in Poissy.
Departure times will be modified to improve connections at Gare des Clairières in Verneuil-sur-Seine.
Sunday timetables will be slightly staggered in order to improve connections with trains.
The Le Cep stop will no longer be served in the direction of Triel-sur-Seine.
The Château Maurice Clerc stop will now be served in both directions.
The line will mark the Notre-Dame stop in both directions.
The stops in the La Bruyère district will once again be served to reach and leave the Lycée Le Corbusier.
Two stops will be added to the route: 402 rue Paul Doumer and Port Maron in Triel-sur-Seine.
The departure of line 6578 will be at the Les Valanchards stop in Vauréal.
The Le Noyer stop in Jouy-le-Moutier will be served exclusively by line 6579.
The line will now serve the Les 3 Fontaines stop in Le Chesnay-Rocquencourt.
The departure from Versailles at 7:41 a.m. will be postponed to 7:45 a.m. in order to ensure the connection at Gare des Mureaux for passengers heading to Aérospatiale.
In parallel with these changes, some judgments are changing their names: