How Are Crit'Air Fines Enforced in France? - UK Driver's Guide 2026
Updated 29 March 2026
Crit’Air fines in France are enforced in two ways: ANPR cameras that automatically read number plates, and police officers who visually check windscreens. Both methods are actively used, and both can result in fines for UK-registered vehicles. Here is exactly how each works.
Method 1: ANPR cameras
ANPR (Automatic Number Plate Recognition) cameras are positioned at entry points to ZFE zones. When your car passes a camera:
- The camera reads your number plate
- Your registration is checked against the French government’s Crit’Air database
- If your vehicle is not registered or has a banned category, a fine is generated automatically
- The fine is sent to the registered keeper — typically by post
Which cities use cameras?
As of 2026, the following cities have active ANPR camera enforcement:
- Paris — extensive camera network covering all major entry points to the ZFE
- Lyon — cameras at key entry points, particularly on the Presqu’île approaches
- Grenoble — camera enforcement on main routes into the city centre
- Strasbourg — cameras covering the ZFE perimeter
Other cities currently rely primarily on police spot checks, but camera enforcement is expanding. Montpellier, Nice, and Toulouse are all expected to add automated systems.
Can cameras read UK plates?
Yes. French ANPR systems can read UK-format number plates. The technical capability has existed for years — the same cameras are used for speed enforcement and toll collection. Post-Brexit, France has invested in improving cross-border enforcement for traffic violations.
Method 2: Police spot checks
Police officers can stop any vehicle and ask to see the Crit’Air sticker. This is a visual check — the officer looks at your windscreen. If there is no sticker, or the sticker shows a banned category for that zone, they issue a fine.
Spot checks are common at:
- Entry points to city centres during high-pollution episodes
- Toll plazas near major cities
- Routine traffic stops anywhere within a ZFE zone
- Major tourist routes during peak summer season
Police fines are typically issued on the spot. You can pay immediately by card or receive a paper notice with payment instructions.
How fines reach UK drivers
Camera fines (post-Brexit)
Before Brexit, French authorities could access UK driver records via the EU Cross Border Enforcement Directive. Post-Brexit, direct access is more limited, but France uses several mechanisms:
- Debt collection agencies — specialist cross-border agencies track down UK-registered keepers using publicly available DVLA data
- Rental car companies — if you were driving a hire car, the rental company will charge the fine plus an administration fee to your card
- Future border interactions — unpaid fines are flagged in French police systems and can surface if you are stopped at a border, toll booth, or police checkpoint on a future trip
Police fines (on the spot)
If police issue a fine directly, you will typically be asked to pay immediately by card. If you do not pay on the spot, you receive a paper notice. Unpaid notices follow the same escalation process as camera fines.
Fine amounts
| Violation | Standard fine | Reduced rate (15 days) | Increased rate (45+ days) |
|---|---|---|---|
| Car without sticker | €68 | €45 | €180 |
| Car with banned category | €68 | €45 | €180 |
| Van / commercial vehicle | €135 | €90 | €375 |
| Coach / HGV | €450 | – | – |
The 15-day reduced rate applies if you pay within 15 days of the fine being issued. After 45 days unpaid, the fine increases significantly.
What the camera actually checks
A common misconception: ANPR cameras do not read the sticker on your windscreen. They read your number plate and check it against the Crit’Air database.
This means:
- If your application has been submitted and your vehicle is in the system, you are protected from camera fines — even before the physical sticker arrives
- If your sticker falls off or is damaged, cameras will still recognise your vehicle
- The digital certificate protects you from camera fines from the moment of application
However, for police spot checks, the officer expects to see a physical sticker on the windscreen. The digital certificate is accepted as interim proof while your sticker is in the post, but once it arrives, it must be displayed.
Tips for UK drivers
- Apply before your trip — give yourself at least 2 weeks for the physical sticker to arrive
- Save the digital certificate — keep the PDF on your phone and a printed copy in the glovebox
- Pay fines within 15 days — the reduced rate saves you significant money
- Do not ignore French fines — they escalate and can cause problems on future trips
- Check your route — use our zone map to see which cities you will pass through and what categories are banned