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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. 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) 50 vehicles per mile
B) 60 vehicles per mile
C) 30 vehicles per mile
D) 40 vehicles per mile

2. According to the MUTCD, what is the minimum duration of the steady red clearance interval for a pedestrian hybrid beacon?

A) 6 seconds
B) 5 seconds
C) 3 seconds
D) 4 seconds

3. For a horizontal curve on a road with a design speed of 65 mph, a superelevation rate of 8%, and a side friction factor of 0.12, what is the minimum radius per AASHTO?

A) 1,200 feet
B) 1,500 feet
C) 1,350 feet
D) 1,650 feet

4. Per the AASHTO Roadside Design Guide, a recoverable slope for a roadside is equal to or flatter than:

A) 1V:3H
B) 1V:4H
C) 1V:6H
D) 1V:5H

5. Whistle blowing is:

A) An ethical practice
B) A career-enhancing practice
C) An unethical practice
D) An illegal practice

Solutions: