合格させるPTOEテスト問題集で[2026年02月17日]に更新された179問あります [Q60-Q83]

合格させるPTOEテスト問題集で[2026年02月17日]に更新された179問あります

TPCB PTOE実際の問題と100%カバー率でリアル試験問題

質問 # 60
For a signalized intersection with a volume-to-capacity ratio of 0.95 and a cycle length of 80 seconds, what is the average control delay per vehicle per the HCM?

A. 55 seconds
B. 45 seconds
C. 35 seconds
D. 65 seconds

正解：A

質問 # 61
Which of the following is NOT considered an ITS strategy?

A. Electronic toll collection
B. Variable speed limits
C. GPS locating systems for transit vehicles
D. Service patrol vehicles

正解：D

質問 # 62
A project was awarded at a lump sum price of $2 million with 10% retainage. The construction is 95% complete and substantially complete. The amount the owner should retain is nearly:

A. $200,000
B. $0
C. $190,000
D. $100,000

正解：C

質問 # 63
What is the minimum vertical clearance for a sign installed above a sidewalk (not a secondary sign) according to the U.S. Manual on Uniform Traffic Control Devices?

A. 5 feet
B. 6 feet
C. 8 feet
D. 7 feet

正解：D

質問 # 64
What is the purpose of a clearance interval in traffic signal timing?

A. To provide time for vehicles to clear the intersection before conflicting movements begin
B. To synchronize signals at adjacent intersections
C. To allow pedestrians to cross the intersection
D. To extend the green phase for high-volume traffic

正解：A

質問 # 65
A 16-hour traffic counts, usually 6 am-10 pm normally accounts for what percentage of daily traffic on a roadway?

A. 90 to 95%
B. 50 to 60%
C. 60 to 75 %
D. 100%

正解：A

質問 # 66
Which is NOT a site specific transportation demand management program element:

A. Telecommuting
B. Growth management
C. Flextime
D. Alternative modes of transportation

正解：B

質問 # 67
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. Ignore the issue if the client is satisfied
B. Discuss the issue only with the subcontractor
C. Approve the work if it meets minimum standards
D. Notify the client and relevant authorities

正解：D

質問 # 68
The MUTCD allows the use of fluorescent coral background for signs in what specific situation?

A. Incident management
B. Pedestrian crossings
C. Construction zones
D. School zones

正解：A

質問 # 69
By using daily and monthly expansion factors, future raw traffic count can be adjusted to estimate AADT. If the April ADT for a road is 3078 and the AADT for the road is 3419, what is the April expansion factor?

A. 1.11
B. 0.90
C. 1.72
D. 1.53

正解：A

質問 # 70
How is Time Mean Speed (TMS) defined?

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

正解：B

質問 # 71
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. 45 vehicles/mile
C. 50 vehicles/mile
D. 40 vehicles/mile

正解：B

質問 # 72
According to the Model Rules, Section 240.15, Rules of Professional Conduct, licensed professional engineers are obligated to:

A. Express public opinions under the direction of an employer or client regardless of the knowledge of subject matter
B. Do whatever is necessary to secure work, including offering directly or indirectly, services or other compensation for contracts
C. Ensure the design documents and surveys are reviewed by a panel of licensed engineers prior to affixing a seal of approval
D. Practice by performing services only in the areas of their competence and in accordance with current standards of technical competence

正解：D

質問 # 73
Which of the following is NOT true about Road Safety Audits?

A. It is conducted by a team of independent professionals
B. It focuses solely on safety issues
C. It is a formal examination with structured process
D. It is limited to new or major redesign projects

正解：D

質問 # 74
Conversion of two-way streets to one-way flow can reduce which types of crashes?

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

正解：B

質問 # 75
Under base conditions what is generally considered to be freeway capacity?

A. 1,500 to 1,850 passenger cars per hour per lane
B. 1,900 to 2,000 passenger cars per hour per lane
C. 2,250 to 2,400 passenger cars per hour per lane
D. 1,250 to 1,500 passenger cars per hour per lane

正解：C

質問 # 76
Which of the following statements about Pedestrian Hybrid Beacons is true?

A. Pedestrian Hybrid Beacons shall not be installed at locations where vehicle speeds exceed 30 mph
B. The beacon faces shall consist of two signal sections, one with a circular red and one with a circular yellow indication
C. A Flashing Yellow indication shall be displayed continuously unless the pedestrian pushbutton is activated
D. A pedestrian signal head shall be installed at each end of the marked crosswalk

正解：D

質問 # 77
What is the present worth of a safety improvement benefit of $5,000 that will occur 5 years in the future if an interest rate of 4% is used?

A. $4,110
B. $1,000
C. $5,000
D. $7,270

正解：A

質問 # 78
A traffic engineer calculates an intersection sight distance of 750 feet for a left turn from a stop-controlled minor road onto a major road with a design speed of 55 mph. What is the AASHTO time gap used?

A. 7.0 seconds
B. 8.0 seconds
C. 7.5 seconds
D. 8.5 seconds

正解：B

質問 # 79
How is Space Mean Speed (SMS) defined?

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

正解：B

質問 # 80
Yan, a consulting environmental engineer, discovers a garbage company employee dumping liquid into a stream, which is a violation of environmental regulation. After the yard manager dismisses her concerns, what is Yan's most appropriate next step?

A. Assume that since it has gone on for a long time, there is no major hazard being created and forget what she saw
B. Write a letter to the garbage company president outlining what she discovered and advising that the dumping practice is an environmental regulation violation
C. Advise the local town council of the situation at the next opportunity
D. Terminate her consulting with the garbage company

正解：B

質問 # 81
A two-lane rural road with an AADT of 8,000 vehicles per day experiences 12 crashes over 2 years on a 4- mile segment. What is the crash rate per 100 million vehicle miles?