Bassin Chellois: new transport offer, from 13 July 2026!

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On 13 July 2026, in parallel with the renumbering of bus lines, Île-de-France Mobilités is reorganising the bus offer on certain lines in the Marne and Brie region.

Visual of the Île-de-France Mobilités charter concerning the restructuring of the Marne-et-Brie region in the Chellois Basin from 13 July 2026

A new bus offer as close as possible to your needs

Modified routes, optimised services and increased frequencies on certain routes for greater clarity and fluidity.

These lines are designed to better connect the stations and places of interest in the area.

Find all the information about your lines in the Chellois Basin below:

On line 421:

Modification of the service to the ZI Pariest with the creation of a ZI Pariest stop.

Maintenance of Sunday service to serve the market.

Map of line 421 (1)
Map of line 421 (2)

On line 321:

The route of line 311 is taken over by line 321

Creation of a service from Emerainville -Pontault-Combault station to Vaires-Torcy with partial trips to Terre Ciel Shopping Centre once an hour

Weekdays:

A bus every 15 minutes from 7:00 am to 8:30 am and from 4:30 pm to 6:30 pm

Map of line 321

On line 702:

The route between Paul Algis - Gare de Vaires-Torcy is operated by partial services on weekdays (7:00 - 9:00 and 16:00 - 18:00)

The Goscinny college is served by the two main entrances in the morning and in the evening

Weekdays:

A bus every 15 minutes from 5:00 am to 9:00 am and from 4:00 pm to 7:00 pm

Sunday:

A bus every 60 minutes from 16:00 to 19:00

Map of line 702

On line 708:

New circular line linking the stations of Chelles-Gournay and Vaires-Torcy in both directions and serving the ZAC du Gué de Launay

Weekdays:

A bus every 30 minutes from 7:30 am to 9:00 pm

Sunday:

A bus every 60 minutes from 9:00 am to 7:00 pm

Map of line 708

On line 213:

Terminus of line 213 at Bois de l'étang Université

Creation of a new line 313 from Noisy-Champs station to Le Village in Lognes with a terminus at Torcy station

Map of line 213