The transfer of mud and debris from construction sites onto public roads is one of the most common — and most penalized — issues in the construction sector. Beyond the negative image it creates, it also poses a serious safety risk.

Local regulations across Spain require construction sites to keep access points clean and prevent materials from being carried onto public roads. You can review an example in the Ayuntamiento de Madrid mobility regulations:
https://www.madrid.es/portales/munimadrid/es/Inicio/Movilidad-y-transportes

Inspections are becoming more frequent, especially in urban areas or high-traffic zones. Non-compliance can lead to fines, project delays, or contractual issues.