The OM1-1 TYPE 1 OBJECT MARKER (YELLOW ON YELLOW) sign is a warning marker used to identify fixed objects located close to the roadway that may pose a hazard to drivers. Its bright yellow reflective panel with a centered vertical stripe provides strong visual contrast, ensuring quick recognition both day and night. Commonly installed on guardrails, bridge piers, culvert headwalls, and other roadside structures, this marker alerts motorists to the presence of obstacles and helps guide vehicles safely along the travel path. Constructed from durable, high-visibility materials, the TYPE 1 OBJECT MARKER maintains reliable performance in all weather conditions, enhancing roadway safety and reducing the risk of collisions.




