ATSSA Traffic Control Supervisor Study Questions and Answers California Flagger Certification Exam 2026

ATSSA TRAFFIC ATSSA TRAFFIC ATSSA Traffic Control Supervisor Study Questions and Answers California Flagger Certification Exam 2026 What equipment is required for a flagger on a California State Highway (Caltrans) project? - ANSWER-*Stop/Slow paddle *Safety glasses and a white hardhat *High-visibility apparel On a California State Highway, when flagging, flaggers shall wear as a minimum ANSI 107 Class WHAT high-visibility safety apparel (clothing)? - ANSWER-3 If an emergency vehicle, such as an ambulance, is approaching your flagger station, you should... - ANSWER-Provide a clear path only if safe The preferred flagger location of a flagger working on the closed lane is what? - ANSWER-On the shoulder in front of the flagger taper If you get tired when working as a flagger, you should... - ANSWER-Tell your supervisor and ask for a break When flagging, flags (as signaling devices) are... - ANSWER-Limited to emergencies What does a "lead flagger" do? - ANSWER-Controls the flagger activity and takes care of any issues related to traffic control If you encounter a hostile driver, you should... - ANSWER-Avoid arguing and be as courteous and professional as possible Advance warning signs, such as the symbolic FLAGGER AHEAD sign, are located in the what? - ANSWER-Advance warning area If a crash happens in the line of waiting traffic, you should... - ANSWER-Stay at your station and continue to control traffic until you receive instructions from your supervisor or a police officer In California, each advance warning sign in each direction of travel must be equipped with at least WHAT for daytime closures? - ANSWER-Two 16 inches square orange flags ATSSA TRAFFIC ATSSA TRAFFIC A flagger operation is taking place on a two-lane highway with multiple access points. What is true about this operation? - ANSWER-All access points must be controlled by a flagger To stop traffic with a STOP/SLOW paddle, you should... - ANSWER-Face traffic and aim the STOP paddle face toward traffic in a stationary position with the arm extended horizontally away from the body, and hold the free arm with the palm of the hand above shoulder level toward approaching traffic How many cones are required at the flagger station? - ANSWER-3 When flaggers are no longer needed, what should happen to signs such as the flagger symbol sign and the BE PREPARED TO STOP sign? - ANSWER-They should be covered completely, turned or removed According to the Caltrans' Standard Plans, how long is a flagger taper for a 45-mph highway with 12-foot lanes? - ANSWER-50-100 feet maximum How long is a buffer space on a 40-mph two-lane road? - ANSWER-305 feet minimum So they can warn other workers, it is a good idea that flaggers carry what? - ANSWER Audible devices such as air horns or whistles In California, portable transverse rumble strips are not required if... - ANSWER-*The work duration is 4 hours or less *The posted speed limit is less then 45 mph *The work is of emergency nature If flags are being used to control traffic during an emergency, they shall be... - ANSWER-Red and 24 inches square A good flagger should have what? - ANSWER-*A sense of responsibility *Ability to maneuver quickly *The proper equipment to do the job If a driver ignores your STOP command, you should... - ANSWER-Make sure you are safe and then warn fellow workers When working as a flagger, you should... - ANSWER-Be alert and visible When working as a flagger at night... - ANSWER-Make sure the flagger station is illuminated and use a retro reflective paddle If only one flagger is being used for one-lane, two-way operation, the flagger should... - ANSWER-Stand on the shoulder opposite from the work area