Road rules / 🇦🇺 signs
A 'TRUCKS AND BUSES USE LOW GEAR' sign on a steep descent means:
✓ ANSWER
Heavy vehicles must engage a low gear to control their speed downhill
Low gear signs on steep grades require heavy vehicles to use engine braking to avoid brake fade.
All the options
- ✓Heavy vehicles must engage a low gear to control their speed downhill
- ✗Trucks must stop at the top of the hill
- ✗Cars must overtake trucks before the hill
- ✗The road is closed to heavy vehicles
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