| County | EVMT (miles) | HVMT (miles) | Total (miles) |
| Marion | 9557 | 27,980 | 37,537 |
| Hamilton | 4625 | 15,994 | 20,619 |
| Allen | 3067 | 15,085 | 18,152 |
| Lake | 4294 | 12,862 | 17,156 |
| Porter | 2693 | 8223 | 10,916 |
| St. Joseph | 2899 | 5820 | 8719 |
| Hendricks | 1865 | 5447 | 7312 |
| Tippecanoe | 2274 | 4910 | 7184 |
| Monroe | 1983 | 5010 | 6993 |
| Madison | 916 | 5353 | 6269 |