Site Navigation Indiana Illinois Iowa Michigan Minnesota Missouri Ohio Wisconsin     Interstate 90 Ohio Interstate 90 exists partially as a freeway and partially as apart of the tolled Ohio Turnpike with Interstate 80. Interstate 90 Ohio Guides Interstate 90 West (Cleveland) Interstate 80 & 90 West (I-80 & 90 Merge to Toledo) Interstate 80 & 90 West (Toledo to Indiana) Page Updated April 1, 2008.