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Unsignalized Intersection Improvement Guide - Practical guidance for improving the safety, mobility, and accessibility at unsignalized intersections.

Submit your Questions and Feedback

ITE and FHWA welcome and encourage feedback with regard to issues encountered in using the UIIG, questions on its contents, and, most importantly, examples of how treatments have been implemented to address problems at unsignalized intersections.

All feedback should be submitted to ITE using the form below. Questions and issues will be addressed with a written response as soon as possible. All suggestions for revisions to the UIIG content will be logged and reviewed by a panel of subject matter experts that will meet periodically. Approved changes will be incorporated into the UIIG when appropriate.

User Feedback Form

The personal information collected below is for follow-up contact purposes only. No personal information collected as part of this submission will be shared with third parties or used for any purpose unrelated to the UIIG.

First Name:
last Name:
Agency (if applicable):
Street Address:
Street Address 2:
Zip Code:
E-mail Address:
Confirm E-mail Address:
Telephone (optional):
Treatments to Suggest:
Other Comments:
Attach Photos (Optional - <10MB,
.jpg, .PDF & .png file types allowed)

If you prefer to use email or regular mail to submit questions, comments, photographs, or other information related to the UIIG, please direct your messages to:
  •, or
  • Institute of Transportation Engineers (ITE), c/o Zach Pleasant, 1627 Eye Street, NW, Suite 600, Washington, DC 20006