MotorwaysQuestion 200 of 424

What does a red flashing light or a red X over a motorway lane mean?

  1. The lane is for buses and taxis only
  2. The lane is closed and may have people or stopped vehicles in it
  3. The lane is for use in bad weather only
  4. The lane is open for faster traffic only
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Correct answer: The lane is closed and may have people or stopped vehicles in it

A red X or red flashing lights show a closed lane. People, stopped vehicles or other hazards may be in it.

Source: The Highway Code (Department for Transport, GOV.UK), Motorways (253 to 274), Rule 258

Practice motorways

Questions last reviewed: 18 October 2026