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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. Criticism of another professional's work is:

A) Never ethical
B) None of the above
C) Ethical only if it directly relates to public safety and welfare
D) Ethical if truthful

2. What is speed defined as in traffic engineering?

A) The time required to travel a segment
B) The distance between successive vehicles
C) The number of vehicles per unit of time
D) The distance traveled per unit of time

3. A traffic engineer is designing a roundabout with a design speed of 25 mph. Per AASHTO, what is the minimum radius of the central island to ensure safe navigation?

A) 80 feet
B) 65 feet
C) 95 feet
D) 50 feet

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

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

5. Conversion of two-way streets to one-way flow can reduce which types of crashes?

A) Left-turn, lane-change, and head-on
B) Pedestrian, left-turn, and rear-end
C) Pedestrian, rear-end, and lane-change

Solutions: