Cultural Resource Protection: Submitting a Project for Review

The Cultural Resource Protection program within the Illinois State Historic Preservation Office (SHPO) uses a digital submission and review process. We do not accept hardcopy submissions of Regulatory projects. Click here for instructions on how to check the status of our review of your projects.

  • If your project involves small-cell antennae installation, click here.
  • If your project is a Wind Farm, click here.

For all other undertakings subject to review under Section 106 (federal) or Section 707 (state), please follow these instructions. If you have questions about how to submit your undertaking, please email us at

Individual undertakings must be submitted separately. Undertakings with multiple addresses but the same scope of work may be submitted together.   

Electronic submission:

Email your submission to You do not have to combine the documents into one .pdf.

If your submission is 25 MB or larger in total size:

  • Place all your documents into one folder and omit any commas in the folder name
  • Compress or "zip" the folder (information from Microsoft regarding zipping files)
  • Upload the zipped folder to:, and enter "" as the recipient
  • Click on "Advanced Options" and select "15 days" as the length of time your documents will remain on the State FTP site


Your submission must contain:

Cover letter

Maps & images

Architectural/engineering plans and specifications

Archaeological survey, testing, or mitigation reports