PTOE問題集、TPCB実際の試験問題

質問 1

Five signalized intersections are spaced at 1400 ft intervals along a two-way arterial street. What would be the BEST cycle length for a coordinated signal system if the desired progression speed is 35 mph?

A. 85 seconds

B. 100 seconds

C. 70 seconds

D. 110 seconds

正解: D

質問 2

A traffic study records 15-minute counts of 500, 450, 400, and 350 vehicles. What is the peak hour factor (PHF)?

A. 0.78

B. 0.88

C. 0.83

D. 0.93

正解: B

質問 3

18 crashes occurred on a 3.2-mile section of two-lane road during a 2-year period. The AADT on this road is
13,000 vehicles per day. What is the crash rate?

A. 118 crashes per 100 million vehicle miles

B. 43 crashes per 100 million vehicle miles

C. 136 crashes per 100 million vehicle miles

D. 59 crashes per 100 million vehicle miles

正解: D

質問 4

Which of the following is an important element of a formal legal contract?

A. A mutual agreement about a lawful matter between legally competent parties

B. Written in a style and format according to the provisions of the law

C. A valid consideration-money or other valuable consideration exchanged

D. All of the above

正解: D

質問 5

A traffic study records a space mean speed of 45 mph and a density of 50 vehicles per mile. What is the flow rate?

A. 2,250 vehicles/hour

B. 2,000 vehicles/hour

C. 2,750 vehicles/hour

D. 2,500 vehicles/hour

正解: A

質問 6

According to the AASHTO Green Book, what is the minimum stopping sight distance for a road with a design speed of 70 mph, a downgrade of 3%, and a driver eye height of 3.5 feet?

A. 820 feet

B. 905 feet

C. 615 feet

D. 730 feet

正解: A

質問 7

What are the colors most commonly used for regulatory signs?

A. Red, white, and green

B. Black, yellow, and red

C. White, black, and yellow

D. White, black, and red

正解: D

質問 8

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. Consequential Agreement

B. Indemnity Clause

C. Limitation of Liability

D. Contractor Agreement

正解: C

質問 9

If a crest vertical curve has a K value of 250 and an algebraic difference in grades (A) of 5.0%, what is the length of the vertical curve?

A. 1000 feet

B. 1250 feet

C. 750 feet

D. 250 feet

正解: B

質問 10

A signalized intersection has a lost time of 4 seconds per phase and 4 phases. If the desired volume-to- capacity ratio is 0.85, what is the minimum cycle length to handle a critical lane volume of 1,200 vehicles
/hour?

A. 60 seconds

B. 100 seconds

C. 80 seconds

D. 120 seconds

正解: B

質問 11

What does traffic demand represent?

A. The number of vehicles desiring to pass a point during a time period

B. The average speed of vehicles on a facility

C. The maximum capacity of a roadway

D. The number of vehicles actually served by a facility

正解: A

質問 12

When more than one countermeasures are being considered for implementation at a problem location (e.g., both adding a left turn lane and signalizing an intersection), the Crash Modification Factors for the individual countermeasures:

A. Cannot be combined

B. Are multiplied together

C. Are added together

D. Only the Crash Modification Factor that has the greatest impact is used

正解: B

質問 13

A traffic engineer conducted a study on a basic freeway segment. The average space mean speed was 30 mi/h.
The flow rate was 1,800 veh/h. What was the density of flow?

A. 75 veh/mi

B. 60 veh/mi

C. 45 veh/mi

D. 30 veh/mi

正解: B

質問 14

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

A. School zones

B. Incident management

C. Pedestrian crossings

D. Construction zones

正解: B

質問 15

Which of the following be LEAST likely to serve as a traffic calming strategy?

A. Speed humps

B. Parking prohibition

C. Diagonal diverter

D. Cul-de-sac

正解: B

TPCB Professional Traffic Operations Engineer Practice - PTOE 模擬練習