Surplus Buses

Submission Instructions for Suppliers

Please follow these instructions to submit via our Public Portal.

1. Prepare your submission materials:

Requested Information

Commodity Codes

Requested Documents:

Please note the type and number of files allowed. The maximum upload file size is 1000 MB.

Please do not embed any documents within your uploaded files, as they will not be accessible or evaluated.

Requested Data:

Please note that text fields have a limit of 2000 characters. We recommend you prepare your responses in advance to ensure they fit within the length restrictions. Learn more about Requested Data at the .

2. Upload your submission at:

The Question period for this opportunity starts Apr 03, 2026 2:00 PM CDT. The Question period for this opportunity ends Apr 13, 2026 2:00 PM CDT. You will not be able to send messages after this time.

Your submission must be uploaded, submitted, and finalized prior to the Closing Time of Apr 24, 2026 2:00 PM CDT. We strongly recommend that you give yourself sufficient time and at least ONE (1) day before Closing Time to begin the uploading process and to finalize your submission.

Important Notes:

Each item of Requested Information will only be visible after the Closing Time.

Uploading large documents may take significant time, depending on the size of the file(s) and your Internet connection speed.

You will receive an email confirmation receipt with a unique confirmation number once you finalize your submission.

Minimum system requirements: Microsoft Edge, Google Chrome, or Mozilla Firefox. Javascript must be enabled. Browser cookies must be enabled.

Need Help?

Milwaukee County Transit System uses a Euna Procurement portal for accepting and evaluating proposals digitally. Please contact Euna Procurement at for technical questions related to your submission. You can also visit their help forum at