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


2020 Traffic Counts Manual

View the most recent version of the Traffic Count Manual


2018 Traffic Counts & Trends Manual

View the previous version of the Traffic Count Manual, which includes data between 2013 and 2017



Resources and Information Links