Practice question

A traffic estimator is locating a flagger station on a two-lane road posted at 40 mph. Based on stopping sight distance (Table 6E-1), how far in advance of the work area must the flagger be positioned?

  1. 305 feet in advance of the work activity area.
  2. 200 feet in advance of the work activity area.
  3. 155 feet in advance of the work activity area.
  4. 100 feet in advance of the work activity area.

Answer: A — 305 feet in advance of the work activity area.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: C-31 Traffic Control Practice Questions - California CSLB C-31 Construction Zone Traffic Control Examination Exam →