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Traffic Control Principles Flashcards

7 cards from real CA FLAGGER practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Traffic Control Principles flashcards as text

  1. What is the FIRST thing a flagger should do when arriving at a new work zone assignment?

    Answer: Review the traffic control plan and identify escape routes

    Before directing traffic, flaggers must review the traffic control plan and identify safe escape routes in case of emergency.

  2. Which of the following conditions would require INCREASING the length of a merge taper?

    Answer: Higher posted speed limit

    Higher posted speeds require longer tapers because vehicles need more distance to safely merge before reaching the work activity area.

  3. A temporary traffic control plan must be prepared by whom according to California standards?

    Answer: A qualified person such as a registered engineer or trained supervisor

    California requires that traffic control plans be prepared by a qualified person with appropriate training, typically a registered engineer or certified supervisor.

  4. What does the acronym MUTCD stand for in traffic control?

    Answer: Manual of Uniform Traffic Control Devices

    The MUTCD (Manual on Uniform Traffic Control Devices) is the federal standard that governs all traffic control signs, signals, and markings.

  5. Which type of work zone setup is most appropriate for short-duration work lasting less than one hour at a single location?

    Answer: Mobile operation with a shadow vehicle

    Short-duration mobile operations often use a shadow or protection vehicle with arrow boards that moves with the work crew along the roadway.

  6. What should a flagger do when faced with approaching emergency vehicles (police, fire, ambulance)?

    Answer: Stop all traffic immediately to allow emergency vehicles to pass

    Flaggers must immediately stop all traffic and clear a path to allow emergency vehicles to pass safely through the work zone.

  7. What is the role of an arrow board in a work zone?

    Answer: To direct drivers away from a closed lane or provide advance warning of a lane shift

    Arrow boards display large lit directional arrows to guide drivers away from closed lanes and warn them of upcoming lane shifts or closures.