Great Britain Theory Test Coach
Road signsQuestion 17 of 424
A blue circle with a white arrow that points straight up

What does this sign mean?

  1. You must go straight ahead
  2. Road ahead is clear for overtaking
  3. One-way road to the left
  4. You must stop and look ahead
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Correct answer: You must go straight ahead

Signs with blue circles mostly give a positive instruction. This one says ahead only.

Source: The Highway Code (Department for Transport, GOV.UK), Traffic signs, Signs with blue circles but no red border mostly give positive instruction.

Practice road signs

Questions last reviewed: 18 October 2026