Trucks (MMS-ADV-51) – Multi-Message SignThe Trucks (MMS ADV 51) multi message sign is a 600 600 millimetre traffic yellow panel designed to warn motorists of truck activity in the area. Commonly used near construction zones, haul routes, industrial access points, or areas with high heavy vehicle traffic, this sign provides clear advance notice for drivers to reduce speed, maintain awareness, and prepare for potential truck crossings or slower moving vehicles. Manufactured in compliance with