Practice question

According to CA MUTCD Table 6C-2, what is the minimum required longitudinal buffer space length for a work zone with a posted speed limit of 45 mph?

  1. 250 feet, based on urban low-speed stopping sight distance metrics.
  2. 360 feet, based on standard stopping sight distance for 45 mph.
  3. 495 feet, based on rural high-speed stopping sight distance metrics.
  4. 645 feet, based on freeway express stopping sight distance metrics.

Answer: B — 360 feet, based on standard stopping sight distance for 45 mph.

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