A WORKERS (W21-1a) word message sign may be used as an alternative to the Workers (W21-1) symbol sign to alert road users of workers in or near the roadway. This sign is a diamond shape 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