Practice question

What is the recommended following distance when driving at 90 km/h on a Singapore expressway?

  1. At least 3 seconds behind the vehicle in front (the 3-second rule)
  2. 1 car length per 10 km/h of speed
  3. Fixed 10 metres regardless of speed
  4. 2 seconds only in dry conditions

Answer: A — At least 3 seconds behind the vehicle in front (the 3-second rule)

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