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Welcome to Iowa's online permitting system (IAPS)
This site issues permits for oversize and overweight vehicles along state owned routes only. This includes Interstate, US, & IA routes. Permits for local or city routes should be obtained from those respective agencies. An oversize permit shall not be valid during the nighttime hours of sunset to sunrise unless authorized for continuous movement.
2020 Holiday Travel Restrictions
An oversize/overweight permit shall not be valid for the operation of a vehicle on the following 2020 holidays:
- Noon Friday, May 22 to 30min before sunrise on Tuesday, May 26Independence Day
- Noon Friday, July 3 to 30min before sunrise on Monday, July 6Labor Day
- Noon Friday, September 4 to 30min before sunrise on Tuesday, September 8
Holiday Office Closings
The Iowa DOT permit office will be closed on the following dates. Permits may still be applied for and even system issued during these times; however, any office processing required will be delayed.
New Year's Day - January 1, 2020
Martin Luther King, Jr. Day - January 20, 2020
Presidents' Day - February 17, 2020
Memorial Day - May 25, 2020
Independence Day - July 3, 2020
Labor Day - September 7, 2020
Veteran's Day - November 11, 2020
Thanksgiving - November 26-27, 2020
Christmas Day - December 25, 2020
New Year's Day - January 1, 2021
For any questions, please see the FAQ page which also contains our contact information. Normal business hours are Monday - Friday from 8:30 am to 4:30 pm central standard time.