Welcome to Iowa's online permitting system (IAPS)

NOTICE - Google Chrome and Microsoft Edge browsers are not compatible with the site. We recommend that you use Internet Explorer 11 until the compatibility issues can be resolved.

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.

2017 Holiday Travel Restrictions

An oversize/overweight permit shall not be valid for the operation of a vehicle on the following 2017 holidays:

Memorial Day - Noon Friday, May 26 to 30min before sunrise on Tuesday, May 30
Independence Day - Noon Monday, July 3 to 30min before sunrise on Wednesday, July 5
Labor Day - Noon Friday, September 1 to 30min before sunrise on Tuesday, September 5

An oversize permit shall not be valid during the nighttime hours of sunset to sunrise unless authorized for continuous movement.

2017 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, 2017
Martin Luther King, Jr. Day - January 16, 2017
Memorial Day - May 29, 2017
Independence Day - July 4, 2017
Labor Day - September 4, 2017
Veteran's Day - November 10, 2017
Thanksgiving - November 23-24, 2017
Christmas Day - December 25, 2017
New Year's Day - January 1, 2018

For any questions, please see the FAQ which also contains our contact info.

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Supported Browsers

Content on the website is best viewed by Microsoft Internet Explorer 9.0 and 11.0.
Users may also use Edge, Firefox and Chrome without the benefit of map based routing.

Some of this website's functionality may not perform correctly and could result in permit applications not being properly submitted if different versions of Internet Browsers are used.  If you have a different version from the Internet Browsers listed above, please visit the Microsoft, Firefox or Google websites and download a more recent version.

System Configuration, Information, & Troubleshooting

Select Here to view the complete list of system requirements for this site.

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