The permit office will be closed Thursday, December 24th - Friday, December 25th for the Christmas holiday.

*** Due to staffing limitations your transactions may take longer than normal.***

COVID-19 Emergency Interstate Declaration permits expired on July 11, 2020 for traveling on any interstate. The Governor's COVID-19 proclamation for travel on Iowa highways continues until December 10, 2020.

On July 1, 2020, Iowa law eliminated over-dimensional permits for hay, straw, stover, or bagged livestock bedding. Legal dimensions for hauling these are 12 ft 5 inches wide, 14 ft 6 inches high and 80K with legal axle weights.

DOT COVID-19 information is available at

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:

    Memorial Day - Noon Friday, May 22 to 30min before sunrise on Tuesday, May 26
    Independence Day - Noon Friday, July 3 to 30min before sunrise on Monday, July 6
    Labor 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 25-27, 2020
    Christmas - December 24 & 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.

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