問題1
What does traffic demand represent?
What does traffic demand represent?
正確答案: C
問題2
Regarding the NCEES Model Code and the various state board codes of ethics:
Regarding the NCEES Model Code and the various state board codes of ethics:
正確答案: C
問題3
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?
正確答案: A
問題4
An intersection is STOP-controlled on the minor approach. The design speed of the major road is 50 mph.
The major road is 1 lane in each direction, terrain is level. What is the required intersection sight distance for a single-unit truck wishing to make a left turn onto the major road?
An intersection is STOP-controlled on the minor approach. The design speed of the major road is 50 mph.
The major road is 1 lane in each direction, terrain is level. What is the required intersection sight distance for a single-unit truck wishing to make a left turn onto the major road?
正確答案: A
問題5
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?
正確答案: C
問題6
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 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?
正確答案: C
問題7
A traffic engineer calculates the present worth of a safety improvement costing $10,000 with annual benefits of $3,000 over 5 years at a 5% interest rate. What is the benefit-cost ratio?
A traffic engineer calculates the present worth of a safety improvement costing $10,000 with annual benefits of $3,000 over 5 years at a 5% interest rate. What is the benefit-cost ratio?
正確答案: B
問題8
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)?
正確答案: A
問題9
According to the MUTCD, what is the minimum retroreflectivity level for a white regulatory sign in candelas per lux per square meter?
According to the MUTCD, what is the minimum retroreflectivity level for a white regulatory sign in candelas per lux per square meter?
正確答案: B
問題10
What is the primary function of a traffic signal?
What is the primary function of a traffic signal?
正確答案: B
問題11
For a signalized intersection with a pedestrian crossing distance of 80 feet and a pedestrian walking speed of
3.5 ft/s, what is the minimum pedestrian clearance interval, including a 3-second buffer?
For a signalized intersection with a pedestrian crossing distance of 80 feet and a pedestrian walking speed of
3.5 ft/s, what is the minimum pedestrian clearance interval, including a 3-second buffer?
正確答案: D
問題12
An owner requested bids for an office building, and a contractor bid $1.1M. Two months later, the owner asked to reduce the price to $1M. Under contract law, which is the fairest option?
An owner requested bids for an office building, and a contractor bid $1.1M. Two months later, the owner asked to reduce the price to $1M. Under contract law, which is the fairest option?
正確答案: D
問題13
For a two-lane highway with a design speed of 50 mph, what is the minimum passing sight distance per AASHTO?
For a two-lane highway with a design speed of 50 mph, what is the minimum passing sight distance per AASHTO?
正確答案: C
問題14
When is the receipt of compensation from more than one party for the same project ethical?
When is the receipt of compensation from more than one party for the same project ethical?
正確答案: C