MOT Traffic Control Devices & Placement Standards 3

Question 1

What is the primary purpose of a termination area (END ROAD WORK) in a temporary traffic control zone?

Accepted Answer

To inform road users that they are leaving the work zone and normal conditions are returning

Answer

The termination area informs road users that they are exiting the temporary traffic control zone and normal roadway conditions resume.

Question 2

Portable changeable message signs (PCMS) in work zones should be placed at a minimum of how far in advance of the activity area on a 65 mph road?

Accepted Answer

1,500 feet

Answer

On roads with 65 mph speeds, PCMS units should be placed at least 1,500 feet in advance of the activity area to give drivers adequate response time.

Question 3

Which of the following correctly describes the function of a buffer space in a TTC zone?

Accepted Answer

A distance that separates traffic from the work space and provides recovery room

Answer

The buffer space is a longitudinal and lateral safety zone between traffic and the work space, providing protection for workers and errant vehicles.

Question 4

What minimum height must the bottom of a sign panel be placed above the nearest road surface when mounted on a temporary post in a work zone?

Accepted Answer

5 feet

Answer

Temporary work zone signs on posts must have their bottom edge at least 5 feet above the road surface per MUTCD mounting requirements.

Question 5

When two flaggers are used to control traffic through a single-lane, two-way section, they must:

Accepted Answer

Be able to communicate with each other, directly or by radio

Answer

Two flaggers controlling opposing traffic must be able to communicate directly or by radio to safely coordinate the release of traffic.

(MOT) Maintenance of Traffic Certification Practice Test