IMSA WORK ZONE SAFETY EXAM 2025 |
ALL QUESTIONS AND CORRECT ANSWERS
| GRADED A+ | VERIFIED ANSWERS |
LATEST EXAM (JUST RELEASED)
4 components of a temporary traffic control zone - ANSWER: 1) advance warning area
2) transition area
3) activity area
4) termination area
Arrow board type A minimum legibility distance - ANSWER: 1/2 mile
Arrow board type A minimum number of elements - ANSWER: 12
Arrow board type A minimum size - ANSWER: 48x24 inches
Arrow board type B minimum legibility distance - ANSWER: 3/4 mile
Arrow board type B minimum number of elements - ANSWER: 13
Arrow board type B minimum size - ANSWER: 60 x 30 inches
arrow board type C minimum legibility distance - ANSWER: 1 mile
arrow board type c minimum number of elements - ANSWER: 15
Arrow board type C minimum size - ANSWER: 96 x 48 inches
, barricade - ANSWER: retroreflective stripes shall alternate orange and white and slope downward at 45
degree angles in the direction road uses are to pass
Buffer space longitudinal and downstream taper purpose? - ANSWER: Lets traffic resume normal operations
buffer space purpose? - ANSWER: provides protection to traffic and workers
Distance between signs - expressway/freeway - ANSWER: 1000, 1500, 2640 (A, B, C)
Distance between signs - rural - ANSWER: 500 ft
Distance between signs - urban (high speed) - ANSWER: 350
Distance between signs - urban (low speed) - ANSWER: 100 ft
downstream taper - ANSWER: 100 ft per lane
Flagger - to stop, to proceed, to alert and slow down (movements) - ANSWER: Flag out 90 degrees, flag down,
flag up and down up to 90 degrees
Flashing arrow modes - ANSWER: Flashing arrow, sequential arrow, sequential chevron, flashing double arrow,
flashing caution, alternating diamond caution
Guidance - ANSWER: A statement of recommended but not mandatory practice. 'should'
How many reflectorized bands (white) are on a drum? - ANSWER: 2
Intermediate-term stationary - ANSWER: work that occupies a location for more than one daylight period up
to 3 days, or nighttime work lasting more than 1 hour
ALL QUESTIONS AND CORRECT ANSWERS
| GRADED A+ | VERIFIED ANSWERS |
LATEST EXAM (JUST RELEASED)
4 components of a temporary traffic control zone - ANSWER: 1) advance warning area
2) transition area
3) activity area
4) termination area
Arrow board type A minimum legibility distance - ANSWER: 1/2 mile
Arrow board type A minimum number of elements - ANSWER: 12
Arrow board type A minimum size - ANSWER: 48x24 inches
Arrow board type B minimum legibility distance - ANSWER: 3/4 mile
Arrow board type B minimum number of elements - ANSWER: 13
Arrow board type B minimum size - ANSWER: 60 x 30 inches
arrow board type C minimum legibility distance - ANSWER: 1 mile
arrow board type c minimum number of elements - ANSWER: 15
Arrow board type C minimum size - ANSWER: 96 x 48 inches
, barricade - ANSWER: retroreflective stripes shall alternate orange and white and slope downward at 45
degree angles in the direction road uses are to pass
Buffer space longitudinal and downstream taper purpose? - ANSWER: Lets traffic resume normal operations
buffer space purpose? - ANSWER: provides protection to traffic and workers
Distance between signs - expressway/freeway - ANSWER: 1000, 1500, 2640 (A, B, C)
Distance between signs - rural - ANSWER: 500 ft
Distance between signs - urban (high speed) - ANSWER: 350
Distance between signs - urban (low speed) - ANSWER: 100 ft
downstream taper - ANSWER: 100 ft per lane
Flagger - to stop, to proceed, to alert and slow down (movements) - ANSWER: Flag out 90 degrees, flag down,
flag up and down up to 90 degrees
Flashing arrow modes - ANSWER: Flashing arrow, sequential arrow, sequential chevron, flashing double arrow,
flashing caution, alternating diamond caution
Guidance - ANSWER: A statement of recommended but not mandatory practice. 'should'
How many reflectorized bands (white) are on a drum? - ANSWER: 2
Intermediate-term stationary - ANSWER: work that occupies a location for more than one daylight period up
to 3 days, or nighttime work lasting more than 1 hour
