Hazardous Material Prohibited
- Шакл
- Square
- Ранг
- Red circle and slash over HM
- Маъно
- Vehicles carrying hazardous materials are prohibited.
- Амали ронанда
- If placarded, do not enter; use an approved route.
- Аҳамият барои CDL
- Often posted before tunnels and some bridges.
Манбаъ: FHWA — Manual on Uniform Traffic Control Devices (MUTCD) (11th Edition (December 2023)). Sign images are original simplified illustrations for study, not official MUTCD artwork.