This marking

توضیح
The chequerboard marking identifies the artificial road hump itself, making the unevenness conspicuous in time for drivers to reduce speed. It neither marks the boundary of a residential zone nor orders traffic to end its journey.

The chequerboard marking identifies the artificial road hump itself, making the unevenness conspicuous in time for drivers to reduce speed. It neither marks the boundary of a residential zone nor orders traffic to end its journey.