MOT Flagging Operations & Procedures 3

Question 1

Under MUTCD standards, what color background is used on a FLAGGER AHEAD warning sign?

Accepted Answer

Yellow

Answer

FLAGGER AHEAD (W20-7a) is a permanent warning sign with a yellow background, not the orange used for temporary traffic control signs.

Question 2

At night, a flagger's retroreflective vest must meet at least which ANSI/ISEA performance class?

Accepted Answer

Class 3

Answer

Night flagging operations require Class 3 high-visibility safety apparel per MUTCD and ANSI/ISEA 107 standards.

Question 3

What is the primary purpose of a termination area in a temporary traffic control zone?

Accepted Answer

To transition traffic back to normal roadway conditions

Answer

The termination area is the downstream end of the work zone where traffic returns to its normal path.

Question 4

A flagger is using a two-way radio. How should they communicate the release of traffic to the opposite flagger?

Accepted Answer

By using pre-established code words or phrases

Answer

Radio communication between flaggers must use pre-established, clear code words or phrases to avoid miscommunication.

Question 5

Which condition requires a flagger to immediately suspend operations and notify the supervisor?

Accepted Answer

A missing or damaged ROAD WORK AHEAD sign

Answer

Missing or damaged advance warning signs create an unsafe condition that must be reported and corrected before flagging continues.

(MOT) Maintenance of Traffic Certification Practice Test