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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. For a signalized intersection with a pedestrian crossing distance of 80 feet and a pedestrian walking speed of
3.5 ft/s, what is the minimum pedestrian clearance interval, including a 3-second buffer?

A) 25 seconds
B) 22 seconds
C) 28 seconds
D) 31 seconds

2. On a freeway with a flow rate of 3,000 vehicles per hour and a space mean speed of 60 mph, what is the density of traffic flow?

A) 60 vehicles per mile
B) 50 vehicles per mile
C) 30 vehicles per mile
D) 40 vehicles per mile

3. Which of the following is not a reason professionals must adhere to a code of ethics?

A) Professions are responsible for training other professionals
B) Professionals have autonomy
C) Professionals receive above-average compensation
D) Professions are self-regulating

4. What is the maximum superelevation rate that AASHTO recommends for locations where snow and ice condition prevail?

A) 6%
B) 8%
C) 10%
D) 4%

5. If a crest vertical curve has a K value of 250 and an algebraic difference in grades (A) of 5.0%, what is the length of the vertical curve?

A) 1000 feet
B) 750 feet
C) 1250 feet
D) 250 feet

Solutions: