Highway lettings typically take place on the third Tuesday of each month. These lettings include interstate, primary and secondary road work, and maintenance projects.
Certificaion Regarding Debarment, Suspension, Ineligibility and Voluntary Exclusion
Federal requirements prohibit the use of excluded parties on federal aid contracts. All participants, including prime contractors, subcontractors, suppliers and others are encouraged to become familiar with FHWA‐1273, Section X, Certification Regarding Debarment, Suspension, Ineligibility and Voluntary Exclusion and other related contract provisions.
View previous letting proposal documents on the myDOT Docs page.
Sort items (ascending or descending) by clicking on a column title.
Find a specific order by entering the proposal identification or project number into the search box.
Narrow your search by entering a specific county into the search box.
Reset the table by clearing the search box or refreshing the page.
Begin the download by clicking on the orange "Download .zip file" button located to the right of each project number. Additional E-files (blue buttons) are available for select lettings. Depending on your browser, you may be asked to select a destination folder before completing the download. If this option is not available, the folder will automatically download to the folder you designated as your computer's default "downloads" folder.
View the "Opening .zip folders" section (next tab) for directions about extracting files from the .zip folder.
Please wait a moment and try again. If you continue to have issues, reach out to the Office of Contracts.
Yes. Contractors must be authorized to submit a bid as a prime by Contracts. Requests to be authorized to bid as a prime contractor on individual proposals must be submitted through Bid Express.
Please wait a moment and try again. If you continue to have issues, reach out to the Office of Contracts.
Double-click the .zip file you want to open, or right-click and choose "Extract all" and follow the directions.
Double-click on the .zip file you wish to open.
If the file contains multiple files, the Mac will create a new folder with the same name as the .zip file in the same location.
Double-click the folder to view contents.
Yes. Third-party software is required to open .zip files in very earlier versions of Windows. Many free programs are available online. 7-Zip is free, easy to use, virus-free, and contains no adware.
Download the 7-Zip exe file to your computer. Double-click the program icon and choose "Run."
Choose a location on your hard drive and choose "install."
Once complete, open 7-Zip and navigate to the .zip file you wish to open. Double-click to open.
Drag contents to your desktop or other location.
A printer that is capable of printing 8.5" x 11” and 11" x 17” in monochrome (black ink only) and 11x17” in color.
The file name for color plans will end in “_C” or “_color."
Yes. Some of the color plans have lighter colors. If you print them from a monochrome (black ink only) printer, the images may not print out on the plan.
Save the file on a USB drive, or forward your email from your download request to a local printer who can download the link and print them for you.
Previously, letting plans and cross sections were printed by the Iowa DOT at 600 dpi. If you lower the resolution on line art, you may lose some text or lines. It is recommended you print these out at 600 dpi.
Previously, specifications and proposals were printed by the Iowa DOT at 600 dpi. If the file is all text, you may consider lowering the resolution to 300 dpi.
Check the file size. Your processor may not be able to accommodate file size. You can try sending it over in sections, as this will reduce the file size to print.
Check your Internet connection to make sure it can accommodate the file size.
Find a local printer that can print the file for you.
