Emergency Procedures
Warning devices, skids, brake failure and fires.
15.1 Warning devices
Turn on hazard flashers immediately and place warning triangles within 10 minutes of stopping.
| Road | Placement |
|---|---|
| Two-lane or undivided highway | 10 ft behind, 100 ft behind, 100 ft ahead (on the traffic side) |
| One-way or divided highway | 10 ft, 100 ft and 200 ft behind |
| Hill, curve or obstruction | Up to 500 ft back to give warning |
Тексеру On a divided highway, where do the triangles go?
Дереккөз: FMCSA — 49 CFR Part 392 — Driving of Commercial Motor Vehicles (eCFR current), 49 CFR 392.22. Жаңартылған: 2026-10-09
15.2 Fires and brake failure
- Power units must carry a fire extinguisher rated 5 B:C or more (10 B:C if transporting placarded hazmat).
- Use an extinguisher only on a small fire you can approach safely; stay upwind and do not open the hood wide.
- If brakes fail on a downgrade, downshift, use an escape ramp if available, or a soft shoulder or uphill road.
Дереккөз: FMCSA — 49 CFR Part 393 — Parts and Accessories (incl. Subpart I Cargo Securement) (eCFR current), 49 CFR 393.95. Жаңартылған: 2026-10-09