Great Britain Theory Test Coach
Speed and safety marginsQuestion 230 of 424

What is the national speed limit for a car on a single carriageway?

  1. 50 mph
  2. 70 mph
  3. 60 mph
  4. 40 mph
Show answer

Correct answer: 60 mph

The limit for a car on a single carriageway is 60 mph.

Source: The Highway Code (Department for Transport, GOV.UK), General rules, techniques and advice for all drivers and riders (103 to 158), Rule 124

Practice speed and safety margins

Questions last reviewed: 18 October 2026