A red flag shall only be used to control traffic in emergencies when a Stop/Slow Paddle (R21-10) is not available or at intersections where a single flagger is used within an intersection.
67 Pa. Code § 212.412
A red flag shall only be used to control traffic in emergencies when a Stop/Slow Paddle (R21-10) is not available or at intersections where a single flagger is used within an intersection.
67 Pa. Code § 212.412