CME CME Transportation Engineering & Traffic Management 2

Question 1

What does the 85th percentile speed represent in traffic engineering?

Accepted Answer

The speed below which 85% of vehicles travel

Answer

The maximum posted speed limit

Answer

The average speed of all vehicles

Answer

The speed of the slowest 15% of drivers

Question 2

Which pavement design method is most widely used for flexible pavement in US municipal streets?

Accepted Answer

AASHTO pavement design method

Answer

Westergaard rigid pavement method

Answer

CBR method alone

Answer

Benkelman beam deflection method

Question 3

What is a roundabout's primary safety advantage over a signalized intersection?

Accepted Answer

Elimination of high-speed right-angle and head-on conflicts

Answer

Higher vehicle throughput at all times

Answer

Lower construction cost

Answer

Simpler pedestrian crossing design

Question 4

What is the function of a 'shy distance' in roadway cross-section design?

Accepted Answer

Lateral clearance buffer between travel lane edge and fixed objects that affects driver behavior

Answer

Minimum distance between opposing travel lanes

Answer

Required distance between driveways

Answer

Setback for utilities from curb

Question 5

Which federal act requires municipalities to consider Title VI equity impacts in transportation planning?

Accepted Answer

Civil Rights Act of 1964 (Title VI)

Answer

Clean Water Act

Answer

National Environmental Policy Act

Answer

Safe, Accountable, Flexible, Efficient Transportation Equity Act

Question 6

What type of intersection control is typically recommended when peak-hour traffic volumes on the minor road are very low compared to the major road?

Accepted Answer

Two-way stop control (TWSC)

Answer

Traffic signal

Answer

Roundabout

Answer

All-way stop control (AWSC)