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 85th percentile speed is the speed at or below which 85% of vehicles are traveling, commonly used to set posted speed limits.

Question 2

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

Accepted Answer

AASHTO pavement design method

Answer

The AASHTO pavement design method, based on the AASHO Road Test, is the most widely adopted approach for flexible pavement design in the US.

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

Roundabouts eliminate the most severe crash types—right-angle and head-on collisions—by converting all conflicts to lower-speed merging movements.

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

Shy distance is the lateral clearance needed beyond a travel lane edge to prevent drivers from instinctively moving away from nearby fixed objects.

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

Title VI of the Civil Rights Act prohibits discrimination in federally funded programs, requiring transportation agencies to assess impacts on minority and low-income populations.

(CME) Certified Municipal Engineer Practice Test

(CME) Certified Municipal Engineer Practice Test

CME CME Transportation Engineering & Traffic Management 2