If due to an accident or other emergency a vehicle has to be immobilised on a dual carriageway or motorway...
A)its occupants may walk on the carriageway, taking the necessary precautions.
B)the vehicle's occupants may walk on the carriageway, except for minors.
C)none of the vehicle's occupants may walk on the carriageway.Correct
If due to an accident or other emergency a vehicle has to be immobilised on a dual carriageway or motorway and assistance must be requested, the nearest emergency post should be used. If there is none available, help may be requested from other road users, but none of the occupants may walk on the carriageway.