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Question 2040

On roads outside built-up areas with three lanes in the same direction, may a passenger car towing a trailer travel in the left lane?

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

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

The restriction to the two right-hand lanes applies to vehicle combinations longer than 7 meters. If the passenger car and trailer do not exceed that length, you may use the left lane when circumstances warrant it, without impeding those behind you.

Reglamento General de Circulación — Real Decreto 1428/2003