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Question 3108

On roads outside built-up areas with three lanes in the same direction, is a passenger car towing a trailer allowed to use the left lane?

  1. Yes, when the total length of the combination does not exceed 7 meters.
  2. Yes, but only to pass other vehicles.
  3. No, under no circumstances.
Show answer and explanation

Correct answer: Yes, when the total length of the combination does not exceed 7 meters.

If the passenger car and its trailer do not exceed 7 meters in total length, they may use the left lane when circumstances warrant, without impeding vehicles behind them.

Reglamento General de Circulación — Real Decreto 1428/2003