Low-emission zoneCzechia
1. Low-emission zone
A low-emission zone, or LEZ, is a defined area where access by more polluting vehicles is restricted in order to reduce traffic-related air pollution. Vehicles that do not satisfy the required emission criteria may be prohibited from entering or may require a temporary permit, exemption or day pass.
Access rules commonly depend on factors such as the vehicle category, fuel type and Euro emission standard. Low-emission-zone requirements vary between countries and cities, so drivers should check the applicable rules before entering the zone.
Does the term low-emission zone describe one nationwide rule in Czechia?
Not necessarily. A low-emission zone is a specific road-access measure, not a standard speed-limit or priority rule. This entry does not establish that every city in Czechia has such a zone; check the destination authority for any operating scheme.
How can you check whether your vehicle can enter an emissions-restricted area in Czechia?
Check the local authority’s current map and vehicle eligibility criteria, including fuel type, emission class, registration date, vehicle use, operating hours and any valid exemption. Do not rely on a scheme from another city.
Does entering an emissions-restricted area change the speed limit in Czechia?
No, not solely because of its emissions designation. Obey the separately applicable speed signs, vehicle restrictions and priority rules. A permit or emissions exemption does not override the normal traffic rules.

Traffic rules
Czechia