IMSA Workzone Safety Questions and Correct Answers/ Latest Update / Already Graded

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IMSA Work Zone Safety Questions and
Correct Answers/ Latest Update / Already
Graded
Work zone sign in rural area Clear Zone (Distance from sign to edge of
traveled way)

Ans: 6 to 12 ft


Work zone sign in business, commercial, or residential area with curb
clear zone (Distance from sign to edge of traveled way)

Ans: 2 ft min


Work zone sign in business, commercial, or residential area without
curb clear zone (Distance from sign to edge of traveled way)

Ans: 6 to 12 ft


Methods of mounting signs other than on posts

Ans: Flag tree, barrier, portable, tripod


Distance between signs - urban (low speed)

Ans: 100 ft


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Distance between signs - urban (high speed)

Ans: 350


Distance between signs - rural

Ans: 500 ft


Distance between signs - expressway/freeway

Ans: 1000, 1500, 2640 (A, B, C)


Flashing arrow modes

Ans: Flashing arrow, sequential arrow, sequential chevron,
flashing double arrow, flashing caution, alternating diamond
caution


What does a flashing arrow on an arrow board mean?

Ans: Merge right


What does a sequential arrow on an arrow board mean?

Ans: Merge right

All rights reserved © 2025/ 2026 |