Hazardous Material Prohibited
- Пішін
- Square
- Түс
- Red circle and slash over HM
- Мағынасы
- Vehicles carrying hazardous materials are prohibited.
- Жүргізуші әрекеті
- If placarded, do not enter; use an approved route.
- CDL үшін маңызы
- Often posted before tunnels and some bridges.
Дереккөз: FHWA — Manual on Uniform Traffic Control Devices (MUTCD) (11th Edition (December 2023)). Sign images are original simplified illustrations for study, not official MUTCD artwork.