Iowa permit test: speed limits & control
Posted and basic speed laws, statutory limits and adjusting speed to conditions. 8 questions.
If no speed limit is posted, what is the limit in an Iowa business district?
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
If no speed limit is posted, what is the limit in an Iowa business district?
- A 25 mph
- B 20 mph
- C 30 mph
- D 35 mph
Show answer
B. 20 mph
Iowa sets a 20 mph limit in business districts when no other limit is posted. Business areas have the most pedestrians, parked cars and turning traffic.
What is the speed limit in an Iowa residential or school district when no limit is posted?
- A 25 mph
- B 20 mph
- C 30 mph
- D 35 mph
Show answer
A. 25 mph
Without a posted sign, the limit is 25 mph in residential and school districts. Children and pedestrians are common in these areas.
What is Iowa's default speed limit in a suburban district?
- A 35 mph
- B 40 mph
- C 55 mph
- D 45 mph
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D. 45 mph
Iowa's general limit in a suburban district is 45 mph when no other limit is posted. A lower limit can always be set for local conditions.
What is the maximum speed limit on Iowa's rural interstate highways?
- A 65 mph
- B 75 mph
- C 60 mph
- D 70 mph
Show answer
D. 70 mph
Iowa's rural interstate highways have a 70 mph limit. Even there, the posted limit is the most you may drive in ideal conditions.