# IA — US graduated driver licensing requirements by state

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

## Source

- https://www.iihs.org/topics/teenagers/graduated-licensing-laws-table

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US graduated driver licensing requirements by state](https://referencesource.org/graduated-driver-licensing/).