Flagging Operations & Procedures Flashcards

When a flagger must communicate with a driver who cannot hear verbal commands, what is the proper action?

Answer: Use eye contact and exaggerated hand motions

Flaggers should use eye contact and exaggerated hand motions to communicate with drivers who cannot hear verbal instructions.

What is the minimum distance upstream that an advance warning sign must be placed in a 45 mph zone on a rural highway?

Answer: 500 feet

MUTCD guidelines require advance warning signs to be placed at least 500 feet upstream in 45 mph rural highway zones.

A flagger is stationed at a one-lane, two-way operation. What signal tells traffic to proceed?

Answer: Facing traffic and extending the flag horizontally

Flaggers face oncoming traffic and extend the flag or SLOW paddle horizontally as a proceed signal.

Which of the following is an unsafe practice for a flagger in low-visibility conditions such as fog or heavy rain?

Answer: Standing in the travel lane to be more visible

Flaggers must never stand in the active travel lane; they should remain in the shoulder or a safe position outside traffic flow.

When escorting traffic through a work zone with a pilot car, which vehicle should the pilot car follow?

Answer: It drives ahead of the queue

The pilot car leads the queue of vehicles through the work zone, traveling ahead of the traffic it is escorting.

A flagger notices a vehicle not slowing down as it approaches the STOP station. What is the recommended first response?

Answer: Alert co-workers and move to a safe escape route

Flaggers should first protect themselves by moving to a pre-planned escape route while alerting others when a vehicle fails to stop.

What does a flagger do with the STOP/SLOW paddle while waiting for traffic to clear before releasing the queue?

Answer: Hold STOP side toward the queue being held

While holding traffic, the flagger keeps the STOP face displayed toward the queued vehicles to maintain the stopped condition.