TPCB Professional Traffic Operations Engineer Practice

QUESTION NO: 1
A freeway segment with a flow rate of 2,500 vehicles per hour and a space mean speed of 55 mph has what traffic density?

A. 55 vehicles/mile B. 50 vehicles/mile C. 40 vehicles/mile D. 45 vehicles/mile

Correct Answer: D

QUESTION NO: 2
If an incident blocks one of three freeway lanes, the likely capacity reduction due to the incident is:

A. 90% B. 51% C. 33% D. 75%

Correct Answer: B

QUESTION NO: 3
When can a professional provide services if conflicts of interest are involved?

A. Never B. If no compensation is received C. If full disclosure of potential conflicts are provided D. If doing so does not personally benefit the professional

Correct Answer: C

QUESTION NO: 4
In a contract negotiation, a clause states: "Unless a result of negligence, the liability of either party to each other for damages is limited to the total fees of this agreement." What is this clause called?

A. Contractor Agreement B. Limitation of Liability C. Indemnity Clause D. Consequential Agreement

Correct Answer: B

QUESTION NO: 5
The U.S. Manual on Uniform Traffic Control Devices specifies that the diamond symbol on signs is to be used exclusively for:

A. Two way left turn lanes B. High occupancy vehicle lanes C. Reversible lanes D. Electronic toll collection lanes

Correct Answer: B

QUESTION NO: 6
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

Correct Answer: A

QUESTION NO: 7
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. 40 vehicles per mile B. 50 vehicles per mile C. 30 vehicles per mile D. 60 vehicles per mile

Correct Answer: B

QUESTION NO: 8
Which type of pavement marking is used to indicate that passing is prohibited for vehicles traveling in either direction?

A. Solid white line B. Solid double yellow line C. Broken yellow line D. Dashed white line

Correct Answer: B

QUESTION NO: 9
Violations of the rules of professional conduct should be reported to:

A. Board of registration in the state in which the violation occurred B. State chapter of the professional engineers association in the state in which the violation occurred C. Office of the attorney in the county and state which the violation occurred D. Local chapter of the professional engineers association in the county and state which the violation occurred

Correct Answer: A

QUESTION NO: 10
What is the primary function of a traffic signal?

A. To minimize delay and travel time to all users B. To provide protection for pedestrians and other non-motorized users C. To maximize the capacity of an intersection D. To alternately assign the right-of-way to various traffic movements at an intersection

Correct Answer: D

QUESTION NO: 11
Which of the following be LEAST likely to serve as a traffic calming strategy?

A. Diagonal diverter B. Cul-de-sac C. Speed humps D. Parking prohibition

Correct Answer: D

QUESTION NO: 12
A roadway that is intended to provide a high level of mobility and limited access is:

A. Arterial B. Collector C. Low-volume road D. Local

Correct Answer: A

QUESTION NO: 13
If 600 vehicles are observed in a 15-minute interval, what is the equivalent hourly flow rate?

A. 2,400 vehicles per hour B. 3,000 vehicles per hour C. 1,800 vehicles per hour D. 1,200 vehicles per hour

Correct Answer: A

QUESTION NO: 14
Although crash involvement rates (crashes per 100,000 population) are highest for the five- to fifteen-year-old pedestrians, pedestrian fatality rates are highest for what age group?

A. 18 to 25 years old B. 12 to 16 years old C. 70 years old and above D. 1 to 5 years old

Correct Answer: C

TPCB Professional Traffic Operations Engineer Practice - PTOE Exam Questions