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Difficulty: MediumSpeed Limits on Motorways

On a motorway where the national speed limit applies, a car towing a trailer is permitted to travel at a maximum speed of 70 mph.

Answer: Answer

Answer

False
Under Rule 124 of the UK Highway Code, the national speed limit on motorways is 70 mph for solo cars and motorcycles. However, for any vehicle towing a trailer or caravan, the legal maximum speed limit is reduced to 60 mph. Therefore, stating that a car towing a trailer may travel at 70 mph is incorrect.

Step-by-Step Solution

1
Identify the vehicle configuration and the road type.
The vehicle is a car towing a trailer, and the road is an unrestricted motorway where the national speed limit applies.
Speed limits under UK road traffic law depend on both the road classification and the specific vehicle category.
2
Apply the statutory speed limit rules from the UK Highway Code.
While solo cars and motorcycles may travel up to 70 mph on motorways, vehicles towing a trailer or caravan are legally limited to 60 mph.
Towing adds mass and alters dynamic stability, requiring a 10 mph reduction below the general motorway limit for safety.
3
Evaluate the validity of the statement.
The statement claims a maximum permitted speed of 70 mph for a towing car, which contradicts the legal limit of 60 mph.
Because the maximum permitted speed is 60 mph, the statement is false.

Key Concept

Motorway speed limit restrictions for vehicles towing trailers
Estimated Time:45s
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Topics

Speed Limits on Motorways

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