Route 75
From Kentucky state line in Cincinnati to Michigan state line 9 miles north
of downtown Toledo. Part of Interstate 75, which runs from Hialeah,
Florida to Sault Ste. Marie, Michigan.
Counties:
Hamilton, Butler, Warren, Montgomery, Miami, Shelby, Auglaize, Allen,
Hancock, Wood, Lucas
Length:
211 miles
General Direction:
North/South
Freeway Sections:
Entire route.
History of route 75:
Certified in 1962.
In 1962, complete from route 27 to West Carrollton, Dayton to 4 miles
north of Dayton, Tipp City to Lima, Findlay to Cygnet, and route 280 to
Michigan state line.
Route 27 to St. Bernard was route 1 only before 1962.
Route 27 to St. Bernard dually certified with route 1 in 1962.
St. Bernard to West Carrollton dually certified with routes 25 and 1 in
1962.
Dayton to 4 miles north of Dayton, Tipp City to Lima, and Findlay to
Cygnet dually certified with route 25 in 1962.
Route 70 to Tipp City complete and dually certified with route 25 in
1963.
Kentucky state line to route 27 complete and dually certified with
route 1 in 1964.
Route 1 certification removed in 1966.
Bluffton to Findlay complete and dually certified with route 25 in 1966.
2 miles south of route 20 to route 20 and route 65 to route 25 (route 24
in 1966) complete in 1966.
West Carrollton to Dayton complete and dually certified with route 25 in
1967.
Lima to Bluffton complete and dually certified with route 25 in 1968.
7 miles south of route 20 to 2 miles south of route 20 and route 24 to
route 280 complete in 1968.
Cygnet to 7 miles south of route 20 and route 25 (route 24 in 1969) to
route 24 complete in 1969.
4 miles north of Dayton to route 70 complete and dually certified with
route 25 in 1972.
Route 25 (route 24 in 1972) to route 24 complete in 1972.
Entire route complete in 1972.
Route 25 certification removed in 1974.
Route 75 Before 1962:
From Ironton to Stone Creek.
Routed along current route 93 from Ironton to West Lafayette and route
751 from West Lafayette to Stone Creek.
Ironton to West Lafayette certified as route 93 in 1962.
West Lafayette to 3 miles east of West Lafayette certified as route 36
only in 1962.
3 miles east of West Lafayette to Stone Creek certified as route 751 in
1962.