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Illinois Class D Written Exam Practice
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School Zones, Railways & Work AreasStandalone practice
A school speed zone is properly posted. It is a school day between 6:30 a.m. and 4 p.m., and children are close enough to traffic to present a hazard. What maximum speed applies?
Correct answer: 20 mph.
Why
The school-zone maximum is 20 mph under these conditions: the required signs are present, it is a school day from 6:30 a.m. to 4 p.m., and children are present close enough to create a potential traffic hazard. Drive more slowly if needed and stop and yield to children crossing.
Verified against Illinois Rules of the Road, July2026 · Illinois school-zone speed · p. 29
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