Ohio Transportation Information System
- Provides road data in two sections: one devoted to planned events, such as construction and detours, and one focusing on the weather related road conditions.
- http://www.buckeyetraffic.org/

AirNav: Landings Sites in Ohio
- Complete aeronautical information including location, runways, navaids, radio frequencies, and FBOs.
- http://www.airnav.com/airports/state/OH.html