The ramp will remain closed until further notice, according to police.
An overturned semitrailer has shut down the on-ramp to I-75 North from Ohio 73 in Springboro.
Area medics and Springboro police responded around 3:50 p.m. to the crash.
There were no reported injuries.
The rig overturned and landed on its side off the left side of the roadway.
Traffic on the highway was not impeded, but no motorists were able to use the on-ramp while emergency crews are on scene.
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