The Detour Arrow (M4-10) sign is used where a detour route has been established, and typically is mounted just below the ROAD CLOSED (R11-2, R11-3a or R11-4) sign. This sign is a horizontal rectangle with a black legend and border on an orange background.
- Retroreflective sign is visible day and night
- Durable, weather-resistant traffic grade aluminum
- Pre-punched with radiused corners and 3/8" mounting holes