The Ohio State Highway Patrol is investigation a crash involving a pedestrian on Interstate 70 near State Route 72.
The crash occurred at 6:15pm in a construction area when a woman attempted to cross the Interstate.
The victim, Amy Swyers, was struck in the left lane while trying to retrieve an item that had blown out of her car.
Springfield Township EMS transported her to Springfield Regional Medical Center and she was then flown by Medical Helicopter to Miami Valley Hospital.
The driver of the other vehicle involved was not injured.
Interstate 70 was closed for about an hour while Troopers investigated the scene.
As of 8:30 p.m. Ms. Swyers was listed in critical condition at Miami Valley Hospital.