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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. Which type of signs may be excluded from the minimum maintained retroreflectivity guidelines contained in the U.S. Manual on Uniform Traffic Control Devices?

A) Speed limit signs
B) Street name signs
C) School signs
D) Parking signs

2. For an approach to a signalized intersection with a posted speed limit of 40 mph, a cross street width of 70 feet, and level grades, what is the minimum total change period (Yellow Change plus Red Clearance intervals) using the "ITE procedure)?

A) 5.5 seconds
B) 4.7 seconds
C) 3.8 seconds
D) 6.1 seconds

3. How is Time Mean Speed (TMS) defined?

A) The average speed of all vehicles passing a point over a specified time period
B) The total distance traveled divided by the number of vehicles
C) The average headway between vehicles
D) The average speed of vehicles occupying a section of roadway over a specific time period

4. A professional engineer discovers a subcontractor using substandard materials for a traffic control device installation. What is the ethical course of action per the NCEES Model Rules?

A) Approve the work if it meets minimum standards
B) Ignore the issue if the client is satisfied
C) Notify the client and relevant authorities
D) Discuss the issue only with the subcontractor

5. What is speed defined as in traffic engineering?

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

Solutions: