The Coolidge Shopping District is home to a variety of fabulous specialty retail and service businesses.

The Coolidge Shopping District is home to a variety of fabulous specialty retail and service businesses.

Learn about the proposed coolidge road diet

What is a road diet? Quite simply, traffic-calming expert Dan Burden said, “A road diet is anytime you take any lane out of a road.” Watch the video below to learn more from the man who coined the term himself.


July 2018 public input session

On Wednesday, July 25th, the DDA hosted two public input session: one from 11am to 2pm and one from 5pm to 8pm, to discuss the results of the Coolidge Traffic Analysis and its recommendation for the reduction of traffic lanes (frequently referred to as a Road Diet) along Coolidge Highway from four lanes to three. 40 people attended in person and another 31 responded via an online forum.

November 2018 public input session

On November 28th, from 6:30 pm to 8:30 pm, the City of Berkley hosted a third public input session in the Public Safety Conference room at 3338 Coolidge Highway. It was an Open House format that approximately 55 people attended. Experts from Spalding DeDecker, Hubbel, Roth & Clark (HRC), and TIA were on hand to answer questions regarding the proposed Coolidge Road Diet.

Click here to see a list of Questions and Answers that were asked as a part of the public input session.

additional Information to Review

Please be sure to scroll through all the informational items that follow. They include the presentation boards that were used at the July Public Input sessions and will be used at the November 28th Open House. Below you can also find the TIA Traffic Analysis as well as various case studies and reports on the benefits of complete streets and road diets.


The graphics below, from NACTO’s Urban Street Design Guide, show how road diets can improve safety and traffic flow.

3 and 4 lane .jpg

Click on any image below to open it as a PDF.







The Coolidge Road Diet will result in an estimated gain of 38 on-street parking spaces!


Download the final Transportation Improvement Authority's (TIA) Coolidge Traffic Analysis here.

Download Appendix A here.

Download Appendix B here.

Download Appendix C here.


Download the Federal Highway Authority’s fact sheet about Road Diets and Emergency Vehicles here.

Download the AARP's road diet myth-busting fact sheet here.


Download the Federal Highway Administration's Mythbusters brochure here.


Want to learn more about the community benefits of complete streets? Download the report below:


Want to learn more about the economic benefits of complete streets? Download the report below:


Click on the links below to read three informational pieces from the Federal Hiqhway Administration about Road Diets.