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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. In capacity analysis, what is the term for the maximum number of vehicles that can pass through an intersection in one hour under ideal conditions?

A) Saturation flow rate
B) Critical lane volume
C) Traffic density
D) Peak hour factor

2. What is the reciprocal of density?

A) Headway
B) Speed
C) Travel time
D) Flow rate

3. In a temporary traffic control zone on a freeway with a speed limit of 65 mph, a 12-foot lane is to be closed.
Using the MUTCD formula L = W × S, what is the required taper length?

A) 850 feet
B) 650 feet
C) 910 feet
D) 780 feet

4. According to the MUTCD, what is the minimum vertical clearance for a traffic signal pole installed over a roadway?

A) 17 feet
B) 19 feet
C) 15 feet
D) 21 feet

5. For a signalized intersection with a volume-to-capacity ratio of 0.95 and a cycle length of 80 seconds, what is the average control delay per vehicle per the HCM?

A) 55 seconds
B) 35 seconds
C) 65 seconds
D) 45 seconds

Solutions: