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Difficulty: MediumTowing Rules, Speed Limits, and Lane Restrictions

You are driving a car towing a horsebox on a dual carriageway where a national speed limit sign is displayed. Unless temporary signs indicate a lower limit, what is your maximum legal speed limit?

  1. A
    50 mph
  2. 60 mphAnswer
  3. C
    70 mph
  4. D
    40 mph

Answer

60 mph
On dual carriageways displaying the national speed limit sign, cars towing a trailer, horsebox, or caravan are legally restricted to a maximum speed of 60 mph (10 mph lower than solo cars).

Step-by-Step Solution

1
Identify the road type and applicable baseline speed limit.
The vehicle is travelling on a dual carriageway, where the standard national speed limit for unaccompanied cars is 70 mph.
Establishes the road classification and standard limits.
2
Apply the statutory speed reduction rule for towing combinations.
Towing a trailer, horsebox, or caravan reduces the legal speed limit on dual carriageways and motorways from 70 mph to 60 mph.
Compensates for increased braking distances and combination instability.

Key Concept

UK national speed limits for vehicles towing trailers on dual carriageways
Estimated Time:1m 0s
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Topics

Towing Rules, Speed Limits, and Lane Restrictions

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