Practice question

What is a 'rolling roadblock' (mobile lane closure)?

  1. A permanent road closure
  2. A slow-moving work zone that progresses along the road with workers moving behind pace vehicles that control traffic
  3. A road blocked by a boulder
  4. A closure that only occurs during rush hour

Answer: B — A slow-moving work zone that progresses along the road with workers moving behind pace vehicles that control traffic

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