The TPO maintains current reports and information about the transportation system in Marion County, which are collected by our partner agencies. Links to external transportation resources and information are also provided
Traffic Counts
Story Map
Learn more about why traffic counts are collected, how they are used, and who is responsible for conducting counts
Interactive Traffic Count Map
Locate traffic count data between 2015-2019 for 389 count locations throughout Marion County
2018 Traffic Counts & Trends Manual
View the previous version of the Traffic Count Manual, which includes data between 2013 and 2017
