Law enforcement will be on the lookout for impaired drivers in Hamilton and Butler counties this weekend.
The Hamilton County OVI checkpoint will be held somewhere in the city of Cincinnati Saturday night.
The time and location will be announced Saturday morning.
The Ohio State Highway Patrol is expected to announce details of the Butler County checkpoint Friday or Saturday.
Most checkpoints run between 9 p.m. and 4 a.m. on or near a main route.