QUESTION 11
On a freeway with posted speed limit of 65 mph (105 km/h), the 12 ft (3.6 m) wide left hand lane is to be closed for a construction project. How long of a taper should be used for this lane closure?

QUESTION 12
A freeway segment with a base capacity of 2,400 passenger cars per hour per lane is adjusted for 10% trucks (PCU = 2.0) and a PHF of 0.90. What is the adjusted capacity per lane?

QUESTION 13
Which of the following statements about Pedestrian Hybrid Beacons is true?

QUESTION 14
What is headway in the context of traffic flow?

QUESTION 15
For a signalized intersection with a 100-second cycle length, what is the effective green time for an approach with a green time of 40 seconds and a lost time of 4 seconds?

QUESTION 16
What is the maximum superelevation rate that AASHTO recommends for locations where snow and ice condition prevail?

QUESTION 17
How is Time Mean Speed (TMS) defined?

QUESTION 18
In a temporary traffic control zone on a freeway with a speed limit of 65 mph, a 12-foot lane is to be closed.
Using the MUTCD formula L = W × S, what is the required taper length?

QUESTION 19
For a horizontal curve on a road with a design speed of 65 mph, a superelevation rate of 8%, and a side friction factor of 0.12, what is the minimum radius per AASHTO?

QUESTION 20
What does the Peak Hour Factor (PHF) measure?

QUESTION 21
If a two-way arterial street is converted to a one-way arterial street, which of the following is LEAST likely to occur?

QUESTION 22
For a lane group with two lanes on an approach to a signalized intersection, if the adjusted saturation flow rate is 1,700 vehicles/hour/lane and the effective time is 30 seconds out of a cycle length of 80 seconds, what is the capacity of the lane group?

QUESTION 23
The MUTCD requires that guide signs on freeways have a minimum letter height of how many inches for destination names?

QUESTION 24
When can an engineer associate in the business ventures with a firm that is engaging in dishonest business?

QUESTION 25
A roadside slope is considered “recoverable” if it is equal to or flatter than:

QUESTION 26
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?

QUESTION 27
What is the basic equation for uninterrupted flow in traffic engineering?

QUESTION 28
A licensee receives gifts from suppliers and distributors. For which of the following gifts should he not inform his employer?

QUESTION 29
A roadway that is intended to provide a high level of mobility and limited access is:

QUESTION 30
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?

QUESTION 31
An owner signed a cost-plus fee contract with a contractor’s fee of 5% of the approved cost. The engineer approved $2,556,900 as the contractor’s cost. The owner’s obligation to pay is nearly:

QUESTION 32
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?

QUESTION 33
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?

QUESTION 34
A traffic engineer is designing a signal timing plan for an arterial with a desired progression speed of 30 mph and intersections spaced 1,760 feet apart. What is the travel time between intersections?

QUESTION 35
Whistle blowing is: