Flagging Operations & Procedures Flashcards

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

Answer: Yellow

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

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

Answer: Class 3

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

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

Answer: To transition traffic back to normal roadway conditions

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

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

Answer: By using pre-established code words or phrases

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

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

Answer: A missing or damaged ROAD WORK AHEAD sign

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

What spacing rule applies when a flagger must stand on a two-lane road to control traffic in both directions simultaneously?

Answer: It is always prohibited; two flaggers must be used

A single flagger controlling traffic in both directions on a two-lane road simultaneously is prohibited; separate flaggers must be stationed at each end.

When directing traffic to STOP using a hand signal (without a paddle), the flagger should:

Answer: Raise one arm vertically with the palm facing traffic

The standard STOP hand signal is one arm raised vertically with the palm facing the approaching traffic.