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.

2018 Holiday Travel Restrictions

An oversize/overweight permit shall not be valid for the operation of a vehicle on the following 2018 holidays:

Memorial Day - Noon Friday, May 25 to 30min before sunrise on Tuesday, May 29
Independence Day - Noon Tuesday, July 3 to 30min before sunrise on Thursday, July 5
Labor Day - Noon Friday, August 31 to 30min before sunrise on Tuesday, September 4

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

2018 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, 2018
Martin Luther King, Jr. Day - January 15, 2018
Memorial Day - May 28, 2018
Independence Day - July 4, 2018
Labor Day - September 3, 2018
Veteran's Day - November 12, 2018
Thanksgiving - November 22-23, 2018
Christmas Day - December 25, 2018
New Year's Day - January 1, 2019

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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