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C+EDifficulty 3/5

You park your lorry with a non-light trailer on an 8% downhill slope, without a suitable kerb against which to rest a steered wheel. Besides the parking brake and appropriate gear, how must you secure it when leaving your driving position?

Correct answer

Using suitable wheel chocks.

Use purpose-designed wheel chocks, not stones. On a significant slope, a vehicle combination must be properly secured against rolling; selecting reverse gear does not replace that precaution. The regulations also allow resting a steered wheel against a suitable kerb with the wheels correctly oriented, but that option is unavailable here. Remove the chocks from the road before setting off again.

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  • Leaving reverse gear engaged is sufficient.

  • Using suitable wheel chocks.

  • Using stones as chocks.

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