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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. What are the colors most commonly used for regulatory signs?

A) White, black, and red
B) Red, white, and green
C) White, black, and yellow
D) Black, yellow, and red

2. A traffic engineer calculates the present worth of a safety improvement costing $10,000 with annual benefits of $3,000 over 5 years at a 5% interest rate. What is the benefit-cost ratio?

A) 1.28
B) 1.15
C) 1.56
D) 1.41

3. As a professional engineer originally licensed 30 years ago, you are asked to evaluate a newly developed computer control system for a public transportation system. You may accept if:

A) You are competent in the area of modern control systems
B) You have regularly attended meetings of a professional engineering society
C) Your original area of specialization was in transportation systems
D) Your professional engineering license has not lapsed

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) 21 feet
D) 15 feet

5. 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) 50 feet
B) 95 feet
C) 80 feet
D) 65 feet

Solutions: