CA Flagger Traffic Control Principles 3

Question 1

What is the recommended minimum distance for advance warning signs on a highway with a posted speed of 65 mph?

Accepted Answer

1,500 feet

Answer

On highways with 65 mph speeds, the California MUTCD recommends advance warning signs placed approximately 1,500 feet ahead of the work zone.

Question 2

A flagger notices a large truck approaching too fast to stop safely. What is the BEST immediate action?

Accepted Answer

Move out of the travel lane immediately

Answer

Flaggers must prioritize their own safety; if a vehicle cannot stop safely, the flagger should move out of its path immediately.

Question 3

Which traffic control device is used to guide drivers through a lane shift or taper?

Accepted Answer

Channelizing devices such as cones or drums

Answer

Channelizing devices like cones, drums, and barriers physically guide vehicles through lane shifts and tapers within the TTC zone.

Question 4

What does a pilot car operation involve in a work zone?

Accepted Answer

A lead vehicle that guides traffic through the zone one direction at a time

Answer

A pilot car leads a controlled group of vehicles through a restricted work zone to ensure safe passage in one direction at a time.

Question 5

Under California regulations, what color must a flagger's safety vest or garment be to meet minimum standards?

Accepted Answer

Fluorescent orange-red or fluorescent yellow-green

Answer

California requires flaggers to wear ANSI/ISEA Class 2 or higher apparel in fluorescent orange-red or fluorescent yellow-green with retroreflective material.

(CA Flagger) California Flagger Exam Practice Test

(CA Flagger) California Flagger Exam Practice Test

CA Flagger Traffic Control Principles 3