The TRUCK (M4-4) auxiliary sign is mounted directly above a route sign to designate an alternate route that branches from a numbered route, when it is desirable to encourage or require commercial vehicles to use the alternate route. This sign is a horizontal rectangle with a black legend and border on a white background.
- Retroreflective sign is visible day and night
- Durable, weather-resistant traffic grade aluminum
- Pre-punched with radiused corners and 3/8" mounting holes