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Annual County &  Township Mileage
Certification Reports

These reports contain all of the reported changes impacting roadway mileages and attributes for all 88 counties and 1307 townships in Ohio (non-state system and non-municipal roads only). Supporting documentation, as well as the signed ‘Certification Forms’, as required by the Ohio Revised Code, Section 4501.04 are included. (Township data is included within each County file.)

Last updated: April 2019 with 2018 data.

Click a county on the map below to view that particular Report:




Ian Kidner, GISP
Transportation Information Management(614) 752-5743