North South Transportation Initiative
- Plan involving I-75 and other modes of transportation between the area north of Dayton and northern Kentucky.
- http://www.oki.org/transportation/northsouth.html

The Eastern Corridor Project
- A public infrastructure study that's evaluating building transportation solutions in Eastern Hamilton and Clermont counties.
- http://www.easterncorridor.com/

Southwest Ohio Regional Transit Authority
- Bus service for Cincinnati and other parts of Southwest Ohio.
- http://www.sorta.com/