IMSA WORK ZONE SAFETY EXAM
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Work zone sign in rural area Clear Zone (Distance from sign to edge of traveled way) - Correct
answers✔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) - Correct answers✔2 ft min
Work zone sign in business, commercial, or residential area without curb clear zone (Distance
from sign to edge of traveled way) - Correct answers✔6 to 12 ft
Methods of mounting signs other than on posts - Correct answers✔Flag tree, barrier, portable,
tripod
Distance between signs - urban (low speed) - Correct answers✔100 ft
Distance between signs - urban (high speed) - Correct answers✔350
Distance between signs - rural - Correct answers✔500 ft
Distance between signs - expressway/freeway - Correct answers✔1000, 1500, 2640 (A, B, C)
Flashing arrow modes - Correct answers✔Flashing arrow, sequential arrow, sequential chevron,
flashing double arrow, flashing caution, alternating diamond caution
, What does a flashing arrow on an arrow board mean? - Correct answers✔Merge right
What does a sequential arrow on an arrow board mean? - Correct answers✔Merge right
What does a flashing double arrow on an arrow board mean? - Correct answers✔Merge right or
left
What does a flashing caution mean? - Correct answers✔Flashing caution
Arrow board type A minimum size - Correct answers✔48x24 inches
Arrow board type A minimum legibility distance - Correct answers✔1/2 mile
Arrow board type A minimum number of elements - Correct answers✔12
Arrow board type B minimum size - Correct answers✔60 x 30 inches
Arrow board type B minimum legibility distance - Correct answers✔3/4 mile
Arrow board type B minimum number of elements - Correct answers✔13
Arrow board type C minimum size - Correct answers✔96 x 48 inches
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Work zone sign in rural area Clear Zone (Distance from sign to edge of traveled way) - Correct
answers✔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) - Correct answers✔2 ft min
Work zone sign in business, commercial, or residential area without curb clear zone (Distance
from sign to edge of traveled way) - Correct answers✔6 to 12 ft
Methods of mounting signs other than on posts - Correct answers✔Flag tree, barrier, portable,
tripod
Distance between signs - urban (low speed) - Correct answers✔100 ft
Distance between signs - urban (high speed) - Correct answers✔350
Distance between signs - rural - Correct answers✔500 ft
Distance between signs - expressway/freeway - Correct answers✔1000, 1500, 2640 (A, B, C)
Flashing arrow modes - Correct answers✔Flashing arrow, sequential arrow, sequential chevron,
flashing double arrow, flashing caution, alternating diamond caution
, What does a flashing arrow on an arrow board mean? - Correct answers✔Merge right
What does a sequential arrow on an arrow board mean? - Correct answers✔Merge right
What does a flashing double arrow on an arrow board mean? - Correct answers✔Merge right or
left
What does a flashing caution mean? - Correct answers✔Flashing caution
Arrow board type A minimum size - Correct answers✔48x24 inches
Arrow board type A minimum legibility distance - Correct answers✔1/2 mile
Arrow board type A minimum number of elements - Correct answers✔12
Arrow board type B minimum size - Correct answers✔60 x 30 inches
Arrow board type B minimum legibility distance - Correct answers✔3/4 mile
Arrow board type B minimum number of elements - Correct answers✔13
Arrow board type C minimum size - Correct answers✔96 x 48 inches
