Playa del Carmen announced a one-way switch in the downtown grid to ease backups on the busiest cross-town blocks. On Thursday, October 23, 2025, the city said Avenida 25 now runs one way from south to north between Avenida Constituyentes and Calle 34, while Avenida 20 carries one-way flow north to south from Calle 38 to Constituyentes. The change creates a paired corridor meant to balance loads and cut crossing delays in the center. City officia…