When traffic comes to a complete standstill inside a road tunnel, what safety spacing should be maintained?

Answer and explanation

Correct answer: B. Maintain a distance of at least 5 meters from the vehicle in front

  1. Step 1: Tunnel queue protocols. Step 2. Keeping at least 5 meters from the vehicle in front prevents pileups, reduces toxic fume concentration, and allows room to maneuver.

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