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Difficulty: HardSpeed Limits

Match each driving scenario on UK roads to the statutory speed limit that applies when no specific local speed limit signs are displayed.

  • A solo passenger car driving on a road with regular street lighting and no repeater signs30 mph
  • A car towing a trailer on a rural single carriageway road50 mph
  • A car towing a caravan on a dual carriageway road60 mph
  • A solo passenger car travelling on a dual carriageway road70 mph

Answer

A solo car in a street-lit area matches 30 mph; a car towing a trailer on a single carriageway matches 50 mph; a car towing a caravan on a dual carriageway matches 60 mph; a solo car on a dual carriageway matches 70 mph.
According to the UK Highway Code: (1) Street lights indicate a 30 mph limit in built-up areas; (2) Cars towing trailers on single carriageways are limited to 50 mph; (3) Cars towing caravans on dual carriageways are limited to 60 mph; and (4) Solo cars on dual carriageways are permitted up to 70 mph.

Step-by-Step Solution

1
Identify the default rule for built-up roads with street lighting
Street lighting establishes a default 30 mph limit for all standard vehicles in built-up areas.
Under the UK Highway Code, street lamps spaced regularly signal a 30 mph zone unless specific signs specify a different limit.
2
Determine the speed limit for a vehicle towing on a single carriageway
Towing a trailer reduces the single carriageway national speed limit from 60 mph to 50 mph.
Towing configurations have longer stopping distances and reduced stability, requiring a 10 mph reduction from solo car limits on derestricted single carriageways.
3
Determine the speed limit for a vehicle towing on a dual carriageway
Towing a caravan on a dual carriageway is restricted to a statutory maximum of 60 mph.
The national speed limit for articulated/towing combinations on dual carriageways and motorways is 60 mph, 10 mph lower than the 70 mph allowed for solo cars.
4
Determine the speed limit for a solo car on a dual carriageway
A solo car operates under the standard 70 mph national speed limit.
Dual carriageways without local restrictions permit cars and motorcycles to travel up to 70 mph.

Key Concept

UK statutory national speed limits by road category and vehicle configuration
Estimated Time:1m 30s
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Topics

Speed Limits

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