Practice question

According to CA MUTCD Table 6C-2, what is the minimum required longitudinal buffer space length for a freeway work zone posted at 65 mph?

  1. 425 feet, which corresponds to the stopping distance at 50 mph.
  2. 570 feet, which corresponds to the stopping distance at 60 mph.
  3. 645 feet, which corresponds to the stopping distance at 65 mph.
  4. 730 feet, which corresponds to the stopping distance at 70 mph.

Answer: C — 645 feet, which corresponds to the stopping distance at 65 mph.

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