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I-75 Traffic Flow Improvements

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I-75 Traffic Flow Improvements

In the Fall of 2016, after nearly 10 years under construction, the I-75 Modernization Project through Downtown Dayton was completed. 

The Modernization project replaces aging infrastructure, consolidates ramps to improve weaving conditions, provides 3 continuous lanes, removes left entrances and exits, and improves geometric deficiencies thoughout the corridor.  

Open the sections below to view animations which compare I-75 post-construction (2016) conditions with pre-construction (2000) conditions, and back to 1949 before the freeway was built.

 

You can explore more of the changes in the Region on your own via the MVRPC Historical Imagery slider map web application.

Thanks to the Montgomery County Engineer’s Office for providing the aerial photography.

Traffic Backups Reduced

The images below illustrate the improvement in congestion as a result of the modernization project using speed data from INRIX.  The January 2015 data shows routine back up queues between 2 and 5 miles, lasting 2 to 4 hours being most common in the afternoon peak periods.  The January 2017 data, following the projects’ completion, shows sporadic incidents much shorter in duration.