You are following a large lorry in a tunnel. What gap should you leave?
Answer and explanation
Correct answer: C. At least four seconds
- Step 1: Rule 126 states that a large vehicle needs more room in a tunnel. Step 2. The recommended gap behind a large vehicle in a tunnel is four seconds. Answer: At least four seconds. Why not the others: One or two seconds is too short, and slipstreaming is dangerous.
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More Safety Margins questions
- What is the typical overall stopping distance at 30 mph on a dry road, according to the Highway Code?
- What is the typical overall stopping distance at 70 mph on a dry road?
- What is the typical thinking distance at 50 mph?
- What is the typical braking distance at 60 mph on a dry road?
- Using the typical figures, how much longer is the overall stopping distance at 70 mph than at 30 mph?
- At 50 mph the thinking distance is 15 m and the braking distance is 38 m. What is the overall stopping distance?