The Spanish will approve a royal decree on Tuesday, 3 November 2026, to regulate low emission zones (ZBE). Drafted by 's , the reform modifies Royal Decree 1052/2022 to govern 151 cities.
Under the , municipalities with over 50,000 residents must have active ZBEs. The new rules require councils to enforce state traffic sanctions immediately, avoiding transitional delays, and to document all access control and monitoring systems.
This decree provides legal certainty for traffic restrictions while linking state transport funding to ZBE compliance. Municipalities failing to operate these zones must return , ensuring older, polluting vehicles are effectively restricted.