Illinois permit test: speed limits & control
Posted and basic speed laws, statutory limits and adjusting speed to conditions. 5 questions.
Unless otherwise posted, what is the speed limit on Illinois interstates and tollways?
Keyboard: press 1–4 or A–D to answer, Enter for the next question, S to save, R to read aloud, P to pause reading, L to listen and answer.
Sample speed limits & control questions
Unless otherwise posted, what is the speed limit on Illinois interstates and tollways?
- A 70 mph
- B 65 mph
- C 55 mph
- D 75 mph
Show answer
A. 70 mph
Unless signs say otherwise, Illinois interstates and tollways are 70 mph. Drive at the maximum speed only when conditions are safe.
Unless a sign says otherwise, what is the speed limit in Illinois city and town areas?
- A 25 mph
- B 35 mph
- C 20 mph
- D 30 mph
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D. 30 mph
The Illinois default in urban areas is 30 mph unless signs show a different limit. Local towns may post other limits.
What is the Illinois speed limit in an alley unless otherwise posted?
- A 10 mph
- B 25 mph
- C 20 mph
- D 15 mph
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D. 15 mph
Alleys have a default limit of 15 mph. They are narrow, with garages, driveways and people stepping out with little warning.
When does the 20 mph Illinois school-zone speed limit apply?
- A Whenever school is in session, from 7 a.m. to 3 p.m., even when no children are around at all
- B Only during morning drop-off and afternoon pick-up times
- C Any day of the week, at all hours, whenever signs are posted
- D On school days between 6:30 a.m. and 4 p.m. when children are present and signs are posted
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D. On school days between 6:30 a.m. and 4 p.m. when children are present and signs are posted
The 20 mph school-zone limit applies on school days between 6:30 a.m. and 4 p.m. when children are present and signs are posted. You must also stop phone use (unless hands-free) and yield to anyone in the crosswalk.