What are the terms of the carpooling lane set up on the Paris ring road?

From 3 March 2025, the left lane of part of the Paris ring road is dedicated to carpooling and public transport. Initially, it is not implemented between the quai d’Issy and the porte de Bercy, passing through the north of Paris (in both directions); in a second phase, this lane will be effective on the entire Paris ring road.

The lane dedicated to carpooling and public transport is activated from Monday to Friday, from 7 am to 10 am; 30 am and then from 4 pm to 8 pm. During these periods, only this route can be taken:

• vehicles with at least 2 persons on board;
• public public transport (buses, coaches and school transport);
• taxis;
• ATVs carrying one or more customers;
• emergency services and security force vehicles, including private ambulances;
• the 2 motorized wheels, while they are practicing inter-queue traffic or when 2 persons are present on the vehicle;
• persons holding the mobility card inclusion parking or the European parking card for disabled people (in both cases, it is necessary to register on the Handi'Stat platform in order to be recognized by the control system and not to risk being fined).

HGVs over 3.5 tons that carry cargo may not use the carpooling and public transport lane when activated.

The track is indicated by an activatable and deactivatable square panel within which is a white diamond. When the sign is lit, the lane is dedicated to carpooling and public transport. When off, all users can use the left lane of the Paris ring road.

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The sign indicating a lane dedicated to carpooling and public transport (this sign may also have a black background in place of the blue background).

You will also be notified when the lane is switched on or off by means of variable message signs.

The way is disabled on public holidays.

What penalties if you do not respect the conditions of the reserved lane?

An educational monitoring phase will be put in place as of March 3, 2025. If you are in violation, so alone in your vehicle, a device using artificial intelligence detects it, and a message is then broadcast on the variable message light panels to inform you that you need to change lanes. During this pedagogical control phase, you are not fined.

From May 2025, you will be liable to a flat-rate fine of €135. The checks will then be carried out by computer-aided video-verbalization. A system with cameras will:

• identify vehicle categories (e.g. taxis or buses);
• count passengers, front and rear;
• read the front and rear license plates.

Then, a sworn officer will observe and verify potentially offending vehicles before sanctioning proven violations.