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Traffic Signal & Signage Installation Flashcards

7 cards from real KDOT 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 Signal & Signage Installation flashcards as text

  1. During signal head installation, what is the maximum allowable horizontal distance from the near edge of an intersection to a far-side signal head?

    Answer: 100 feet

    MUTCD generally recommends far-side signal heads be placed no more than 100 feet beyond the stop line for adequate driver visibility.

  2. What is the correct procedure when a traffic signal controller fails and the intersection must operate in flash mode?

    Answer: Flash yellow on the major street and red on the minor street

    Standard flash mode uses flashing yellow for the major street (treat as caution) and flashing red for the minor street (treat as stop sign).

  3. What does the term 'sign legend' refer to?

    Answer: The text, symbols, or combination displayed on the face of a sign

    The sign legend is the message conveyed through text, symbols, arrows, or a combination displayed on the sign face.

  4. When installing traffic signal conduit underground, what minimum depth is typically required under pavement?

    Answer: 24 inches

    Signal conduit installed under pavement typically requires a minimum cover of 24 inches to protect against damage from traffic loads.

  5. A pedestrian signal with a countdown timer helps pedestrians by:

    Answer: Displaying the number of seconds remaining in the pedestrian crossing interval

    Countdown pedestrian signals show the remaining seconds in the clearance interval, helping pedestrians decide whether to begin or complete crossing.

  6. What color is used for guide signs on highways to indicate general travel on non-freeway routes?

    Answer: Green

    Green background with white lettering is used for guide signs on conventional highways and freeways indicating destinations, distances, and route information.

  7. When erecting a sign on a breakaway support post, what is the primary safety benefit?

    Answer: The post fractures or yields upon vehicle impact, reducing injury and vehicle damage

    Breakaway supports are designed to fracture or hinge upon vehicle impact, reducing the risk of injury to vehicle occupants and limiting damage.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. ksdot.gov — Score validity · verified Oct 2026
  2. salina.k-state.edu — Registration, test delivery, eligibility, passing score, score release, exam dates, fees, exam information · verified Oct 2026