최신TPCB Professional Traffic Operations Engineer Practice - PTOE무료샘플문제
문제1
What are the colors most commonly used for regulatory signs?
What are the colors most commonly used for regulatory signs?
정답: B
문제2
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?
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?
정답: D
문제3
When calculating stopping sight distance, what does the AASHTO "Green Book" use as a deceleration rate?
When calculating stopping sight distance, what does the AASHTO "Green Book" use as a deceleration rate?
정답: D
문제4
A signal coordination plan for five intersections spaced 1,320 feet apart aims for a progression speed of 40 mph. What is the optimal cycle length to achieve two-way progression?
A signal coordination plan for five intersections spaced 1,320 feet apart aims for a progression speed of 40 mph. What is the optimal cycle length to achieve two-way progression?
정답: C
문제5
What is headway in the context of traffic flow?
What is headway in the context of traffic flow?
정답: B
문제6
The Manual on Uniform Traffic Control Devices states that when a speed limit within a speed zone is posted, it should be within 5 mph of what?
The Manual on Uniform Traffic Control Devices states that when a speed limit within a speed zone is posted, it should be within 5 mph of what?
정답: C
문제7
The U.S. Manual on Uniform Traffic Control Devices specifies that warning and guide signs used for temporary traffic control in incident management situations may have a black legend with what color background?
The U.S. Manual on Uniform Traffic Control Devices specifies that warning and guide signs used for temporary traffic control in incident management situations may have a black legend with what color background?
정답: B
문제8
What is the reciprocal of speed?
What is the reciprocal of speed?
정답: C
문제9
A traffic study records 15-minute counts of 500, 450, 400, and 350 vehicles. What is the peak hour factor (PHF)?
A traffic study records 15-minute counts of 500, 450, 400, and 350 vehicles. What is the peak hour factor (PHF)?
정답: B
문제10
Intersection departure sight triangles should be provided for drivers entering the intersection from a STOP- controlled minor road. What is the intersection departure sight distance for this condition if the AASHTO recommended time gap is 7.5 seconds and the design speed of the major road is 60 mph?
Intersection departure sight triangles should be provided for drivers entering the intersection from a STOP- controlled minor road. What is the intersection departure sight distance for this condition if the AASHTO recommended time gap is 7.5 seconds and the design speed of the major road is 60 mph?
정답: C