The Advance Traffic Control STOP AHEAD (HW3-1a) sign is installed on an approach to a primary traffic control device that is not visible for a sufficient distance to permit the road user to respond to the device. This sign is a diamond shape with a black legend and border on a yellow background.
- Retroreflective sign is visible day and night
- Durable, weather-resistant traffic grade aluminum
- Pre-punched with radiused corners and 3/8" mounting holes