Low emission zones in Europe: what a foreign-registered car needs

Checked on 2026-10-26

Crossing a border is easy; driving into the centre of the next big city is where many road trips get complicated. France, Germany, Spain and Italy all restrict older or more polluting vehicles in urban areas, but each country uses its own sticker, its own categories and its own way of checking. A car registered in one country is not automatically recognised in the next, and cameras do not care that you are on holiday. This guide covers what a visitor needs in each of the four countries, where to get it from an official source, and how to avoid paying a fine on the way to your hotel.

France: the Crit'Air sticker and the ZFE

France classifies vehicles with the Crit'Air air-quality certificate, a round sticker for the windscreen. Electric and hydrogen vehicles get a green sticker; petrol and diesel vehicles are ranked from class 1 (purple) to class 5 (grey), depending on vehicle type, fuel and Euro standard or date of first registration. The oldest vehicles are not classified at all and cannot get a sticker.

The sticker is needed to drive in a zone à faibles émissions (ZFE). The ecology ministry lists ZFEs in metropolitan areas such as Paris, Lyon, Marseille, Grenoble, Strasbourg, Toulouse, Montpellier, Nice, Bordeaux, Lille, Rouen and Reims, among others. Each area sets its own rules. In Greater Paris, for example, light vehicles that are unclassified or carry Crit'Air 3, 4 or 5 may not drive in the zone Monday to Friday from 8:00 to 20:00, public holidays excepted. Cities can also impose temporary restrictions during pollution episodes.

Practical points for visitors:

Buy only on certificat-air.gouv.fr. Service-Public describes it as the only official site that issues Crit'Air stickers. Other websites resell the same sticker at a mark-up or add a «service fee».
The price is low. Service-Public gives 3.85 euros including postage within France; the official site shows the price for delivery abroad when you order.
Foreign vehicles apply online only, with the details from the registration document. The sticker comes by post, so order a few weeks before you leave.
One sticker per vehicle, no expiry. It cannot be moved to another vehicle.
Fines: driving in a ZFE without the right sticker is usually a 68 euro fixed penalty, up to 450 euros.

French ZFE rules and timetables are set locally and have changed several times, so check the official page of the city you are visiting, or Bison Futé, shortly before you go. If you are planning a scenic loop rather than a city break, see our French scenic routes.

Germany: the green Umweltplakette

Germany's Umweltzonen use a simpler system. According to the Federal Environment Agency (Umweltbundesamt), only vehicles with a green sticker have been allowed into the existing zones since 2012, and a sticker is valid in every German zone, not just the city that issued it. Many cities have lifted their zones as air quality improved; the agency counted 35 zones still in force when it last updated its page. The rules cover cars, trucks and buses; motorcycles are exempt.

Foreign vehicles need the sticker too. Berlin's environment department says so explicitly. The sticker is assigned from the Euro standard shown in your registration papers or, failing that, from the date of first registration.
Where to get it: vehicle registration offices (Zulassungsbehörde) and emission-testing bodies such as TÜV, DEKRA, GTÜ or KÜS, plus authorised garages. Some registration offices sell it online: Berlin's office runs an English-language shop, charges 6 euros including postage and warns that delivery can take 7 to 14 days; it advises visitors from abroad to apply about three weeks before the trip. Private issuers set their own price.
Fine: driving without a sticker in an Umweltzone costs 100 euros.

The German sticker does not expire, but it carries your number plate: if the plate changes, or the ink fades until it is unreadable, you need a new one.

Spain: ZBE and the DGT environmental label

Spain's climate law (Ley 7/2021, article 14) requires municipalities with more than 50,000 inhabitants, and island territories, to set up zonas de bajas emisiones (ZBE). Most of them rely on the DGT environmental label, which ranks vehicles registered in Spain into four classes: 0 emisiones (blue: battery electric, extended-range electric, plug-in hybrids with at least 40 km of electric range and fuel cell vehicles), ECO (other plug-ins, non-plug-in hybrids and gas vehicles), C (green: for cars and light vans, petrol registered from January 2006 and diesel from September 2015) and B (yellow: petrol from January 2001, diesel from 2006). The DGT label costs 5 euros at Correos and other authorised sellers.

The catch for visitors: the DGT label is tied to the Spanish register, so each city decides how to treat foreign plates. Barcelona is the clearest example. In the ZBE Rondes de Barcelona (Barcelona, L'Hospitalet, Sant Adrià and parts of Esplugues and Cornellà), the most polluting vehicles may not drive on weekdays from 7:00 to 20:00. Foreign-registered cars may enter if they are electric, petrol Euro 3 or later, or diesel Euro 4 or later, but they must be registered in advance in the metropolitan register; a compliant vehicle that was not registered can be fined from 200 euros. Vehicles that do not comply can request day passes, up to 24 days a year.

Other Spanish cities have their own rules, signage and timetables. Before you drive into any city centre, look up its ZBE page and whether it needs foreign vehicles to register.

Italy: ZTL is not the same as a low emission zone

Italy has low emission rules too, but the trap that catches most tourists is the ZTL (zona a traffico limitato). These limited traffic zones cover the historic centres of many towns and cities. Entry is controlled by electronic gates (varchi) that read number plates, and only authorised vehicles may pass while the zone is active. The fine arrives by post, sometimes months later, and you can collect one each time you pass a gate. A sat nav may well route you straight through one.

Milan's Area C shows how a hybrid scheme works. It is a ZTL in the city centre, active all year Monday to Friday from 7:30 to 19:30 (public holidays excepted), and you pay a ticket to enter. The ticket costs 7.50 euros for the day and has to be linked to your number plate; paying after the day of entry but within seven days costs 22.50 euros. Vehicles parked in partner garages pay 4.50 euros. The city's website lets you enter your plate and its nationality to check whether your vehicle may enter at all, and vehicles longer than 7.5 metres need a separate derogation, which matters if you drive a large motorhome.

The safest habits in Italy: if your hotel is inside a ZTL, ask it before you arrive how guests are allowed in, look up the zone's hours on the city's website, and when in doubt park outside the gates and walk.

Quick comparison

Country	Scheme	What visitors need	Where to get it
France	ZFE	Crit'Air sticker	certificat-air.gouv.fr only, by post
Germany	Umweltzone	Green Umweltplakette	Registration offices, TÜV, DEKRA, authorised garages
Spain	ZBE	Depends on the city (Barcelona: advance registration)	The city or metropolitan ZBE register
Italy	ZTL (and LEZ)	Authorisation or ticket, per city	The city (Milan: Area C ticket)

Practical tips before you leave

Order early. Crit'Air and the German sticker both come by post. Two to three weeks of margin is sensible.
Use official sellers only. If a site charges several times the official price, close the tab.
Keep your registration document handy. Every issuer needs the Euro standard or date of first registration from it.
Use park and ride. Parking on the edge of the city and taking public transport avoids most zones entirely, and is often faster with a camper or a trailer.
Look up each city. The Urban Access Regulations in Europe portal, developed with EU support, gathers LEZ, ZTL and congestion schemes by country and city. It is a good lookup tool, but the city's own page is the one that counts.

Sources

How Optitrips helps

Optitrips plans the road between cities: it suggests the best departure time, shows real toll costs and a toll-free alternative, splits long trips into days with rest and meal stops, and shows fuel prices and weather warnings along the route. Its country notes remind you of requirements such as Germany's environmental sticker. It does not route around low emission zones and does not check whether your vehicle is allowed in, so use the official sites above for that. The app is Android only and currently in a closed beta. Join the beta.