Head for the RER C for your line 4201!
From Monday 24 August 2026, your line 4201 is extended to the RER C station in Saint-Michel-sur-Orge: An evolution of your line to make your daily journeys easier!
Your hours remain the same. The 4201 line operates:
- Weekdays from 5:00 am to 11:30 pm with a visit every 10 minutes in the morning and evening and every 15 minutes during the day
- Saturday and Sunday from 5:00 am to 11:30 pm with a passage every 15 minutes
A new service to the Valvert shopping area on your 4212 line!
The route of your 4212 line will be modified from Monday 24 August 2026 for more proximity:
- The new terminus of the line will be located at Evry-Courcouronnes station
- A new service from the Caroline Riez stop will be provided in your municipality to reach the Brétigny-sur-Orge station
- Line 4212 will serve the new Valvert commercial area, offering your residents direct access to this employment and leisure area
- A school service to schools in Evry-Courcouronnes is maintained at times corresponding to the entry/exit times of students
Your new 4231 line simpler and faster!
Discover the new improvements to your 4231 line!
Take advantage of an optimised route for direct and quick access to Corbeil-Essonnes station – a daily time saver!
In addition, a service to the Val Coquatrix district is guaranteed with buses:
- Morning: from 8:30 am to 9:00 am to reach Corbeil-Essonnes station
- Evening: from 16:00 to 19:00 for the return from the train station
Go home later in the evening on weekdays: extended hours with a service until 21:30 on weekdays (instead of 21:00) and go out more on Saturdays with an improved bus service on Saturdays thanks to a bus every 40 minutes (instead of 1:30).
Comfortable on the go!
A new bus line dedicated to the municipality of Saint-Pierre-du-Perray!
A new 4234 line just for you!
The new line 4234 exclusively serves Saint-Pierre-du-Perray and offers you direct connections to facilitate your journeys:
- Direct access to the RER D at Corbeil-Essonnes station – to reach Paris and the Île-de-France region with ease
- A connection to the TZen 1 at the Le Fresne stop – for smooth mobility without waiting
You can also take advantage of schedules adapted to your needs:
- Monday to Friday from 06:00 to 20:30 with a passage every 30 minutes during morning and evening peak hours and every hour during the day
- Saturday from 8:30 am to 8:30 pm with a passage every hour from 8:30 am to 8:30 pm
Finally a line that adapts to your pace!
Be everywhere with the 4242 line!
New offer: Line 4242 takes you further!
Discover the extension of your line 4242 to Évry-Courcouronnes station for direct and simplified access.
Line 4242 offers you a new service for the inhabitants of Coudray-Montceaux and Corbeil-Essonnes: easily reach the Évry-Courcouronnes hub and its major assets: University / Prefecture / Le Spot shopping centre / RER D station.
No change in schedules: your line 4242 operates from Monday to Sunday with:
- Weekdays from 04:30 to 23:00: one bus every 15 minutes in the morning and evening and every 30 minutes during the day
- Saturday from 05:00 to 23:00: one bus every 25 minutes
- Sunday from 05:00 to 23:00: one bus every hour
Be everywhere, faster and easier!
