A sport utility vehicle was on its top after a two-vehicle crash at Ohio 48 and East Spring Valley Road near Centerville.
Traffic on southbound 48 was blocked at East Spring Valley as emergency crews responded shortly after 1:10 p.m.
A maroon Subaru Forester and a black vehicle collided, and the Forester flipped.
Police said they don’t know why but the traffic lights at the intersection were flashing red in all four directions.
The Forester driver was taken to the hospital with injuries not considered life-threatening.