Workzone Safety Signs

Maximize job site safety with the IS-91 Danger – Open Trench sign, a standout in reliability from Interwest Safety Supply. This 18″ x 12″ sign, constructed from heavy-duty .080″ aluminum, boasts 3M engineer-grade reflective sheeting for superior night-time visibility. Designed to meet stringent MUTCD specifications, it features convenient pre-punched holes for swift installation. Ideal for construction and safety professionals, the IS-91 sign is your frontline defense in hazard marking, ensuring a secure and compliant work environment. Elevate your safety standards—order the IS-91 Danger – Open Trench sign today.