IA
For IA, learner minimum age is 14; mandatory holding period is 12 months; supervised driving hours is 20 hours, 2 of which must be at night; intermediate minimum age is 16; nighttime restriction is 12:30 a.m.-5 a.m, verified against its source on 2026-08-05.
- State
- IA
- Learner minimum age
- 14
- Mandatory holding period
- 12 months
- Supervised driving hours
- 20 hours, 2 of which must be at night
- Intermediate minimum age
- 16
- Nighttime restriction
- 12:30 a.m.-5 a.m.
- Passenger restriction
- parental discretion
- Night restriction lifted
- licensed for 12 months and age 17 or age 18, whichever occurs first (min. age: 17)
- Passenger restriction lifted
- none
What the source says
IA | 14 Footnote 19 | 12 months | 20 hours, 2 of which must be at night Footnote 20 | 16 Footnote 20 , Footnote 21 | 12:30 a.m.-5 a.m. | parental discretion Footnote 22 | licensed for 12 months and age 17 or age 18, whichever occurs first (min. age: 17) | none
— iihs.org, retrieved 2026-08-05
Source
- iihs.orghttps://www.iihs.org/topics/teenagers/graduated-licensing-laws-table