135 euros, class 4 offence and three licence points: that is the standard tariff for cutting 200 metres through a Paris bus lane. With more than 200 dedicated cameras deployed by the Prefecture de police, video enforcement has become near-automatic. Yet some vehicles are perfectly allowed in these lanes. Here is who can, who cannot, and how to avoid the nasty surprise.
Paris bus lanes: 200 km of dedicated routes
The scale of the network
Paris has around 200 kilometres of bus-only lanes, spread across major axes (Rivoli, Sebastopol, Saint-Germain, Magenta) and many boulevards. Some are separated by a kerb, others simply marked by a continuous or dashed yellow line. The horizontal signage (a painted bus) and the vertical sign (B27a) always state the exact status.
Solid vs dashed: the nuance that changes everything
A lane with a DASHED white line is open to everyone: it is really a shared bus + car lane with implicit priority to the bus. A lane with a SOLID YELLOW line is strictly reserved for authorised categories. That yellow line is what triggers a fine. Many drivers still confuse the two and end up fined.
Who is officially allowed
Default authorised users
RATP and other network buses, Ile-de-France taxis in service (with sign lit or colour visible), emergency vehicles on call (fire, ambulance, police), public transport coaches and shuttles, and bicycles can use all yellow-marked lanes. The rule is national and appears in the Highway Code.
Motorbikes: depends on the arrondissement
Since 2017, some Paris bus lanes have been opened to motorbikes (over 50 cc), but not all. Major-boulevard lanes (Saint-Michel, Sebastopol) are usually open, while narrow or one-way lanes stay closed. A specific sub-sign (M9z2 under the B27a) states the authorisation. When in doubt, stay out.
The classic traps that cost 135 euros
Turning right by using the lane
Many drivers think they can enter the bus lane 50 metres before a junction to anticipate a right turn. Wrong. Yellow solid-line lanes ban any intrusion, even to prepare a manoeuvre. You must stay on the regular lane and wait for the junction. Cameras from the Prefecture de police fine these pre-junction intrusions.
Stopping to drop someone off
Stopping in a bus lane to drop a passenger is sanctioned the same way as driving in it: class 4 fine at 135 euros, plus possible tow if the stop blocks a bus. The rule is strict: find a loading bay or a regular spot. Enforcement often happens live by patrolling agents.
Driving at night or on Sundays
Paris bus lanes are active 24/7, unless stated otherwise (rare). Many visitors think evening or weekend lanes are open: wrong. Video enforcement runs continuously. Only a few peripheral roads switch to shared use at night, and lit signs make it clear.
Video enforcement: 200 cameras and 80,000 fines per year
How it works
The Prefecture de police operates a network of dedicated cameras that automatically detect plates of vehicles driving illegally. The image is analysed, cross-checked against exemptions (taxis, emergency), then validated by an operator. The ANTAI notice arrives by mail within 5 to 10 days, with a photo and GPS coordinates of the lane.
Challenging the fine: what works, what does not
A challenge has 50% odds when the marking was truly ambiguous (faded line, contradictory signs) with supporting photos. It almost always fails when invoking ignorance or emergency (unless a duly proved emergency vehicle). The procedure goes through the ANTAI website or registered mail, within 45 days.
Cycle paths next door: do not confuse them
Bus lane shared with cyclists
Many Paris bus lanes are shared bus + bike. Cyclists have priority, and a driver who enters (without right) risks not only a lane fine but also charges for endangering a vulnerable user. Bus-bike cohabitation in a single lane remains a sensitive topic in Paris: overtaking accidents do happen.
The DevisPermis expert opinion
The Paris bus lane is one of the most fined offences in the city, ahead of obstructive parking and red-light running. The classic trap for a new driver: thinking they can pop in just to dodge traffic or a pedestrian. The rule is binary: solid yellow = banned, dashed = allowed. Learning to read the ground marking in seconds avoids dozens of fines over the years.
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Frequently asked
Your questions on this topic
Who can drive in Paris bus lanes?
Allowed in Paris bus lanes: RATP buses, taxis with the rooftop sign on (in service), emergency vehicles on call (police, fire, ambulance with lights on), bicycles and e-scooters, some vehicles on open lanes (rare with specific signage), hydrogen vehicles since 2022. Private ride-hails, motorbikes and private cars are generally excluded, unless signage states otherwise.
What fine for illegal driving in a bus lane?
The fine for illegal bus lane driving in Paris is 135 euros (class 4 ticket, Highway Code article R412-7), reduced to 90 euros within 15 days and raised to 375 euros beyond 45 days. No licence points lost for the lane offence alone, but if reverse driving is detected on cameras, 4 points removed. Automatic ticketing via camera in 90 percent of cases.
Can ride-hails use Paris bus lanes?
No, ride-hails (services like Uber, Bolt, Heetch) cannot use Paris bus lanes, unlike taxis with their rooftop sign on. This difference, contested since 2014 by the ride-hail industry, remains legally upheld. A few open lanes (avenue de l'Opera, 2024 Olympics corridors) had temporary access, but the general rule stands. Fine 135 euros per camera-detected offence.
Can you cross a bus lane to turn right?
Yes, crossing a bus lane to turn right or park is allowed, provided the separating line is dashed (broken white). If the line is solid (continuous white), crossing is forbidden and exposes to 135 euros and 1 licence point lost (crossing a solid line). 80 percent of Paris bus lanes are marked by a solid line.
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