US 250 west end, 1960s(?)-present
Sandusky
US 250 west end, 1932-1960s(?)
Sandusky
US 250 west end, 1928-1932
Norwalk
US 68 north end, 1957-present
Findlay
Common: US 68-127-223
Toledo. US 127 south end (1926-1930); US 223 south end (1933-1960s); US 68 north end (1933-1957)
US 223 south end, 1987-present
Sylvania
US 36 east end, 1974-present
Uhrichsville
US 36 east end, 1932-1961
Cadiz
US 36 east end, 1961-1974
Cadiz
US 22 west end, 1926-1932
Cambridge
US 23 south end, 1926-1929
Portsmouth
US 22 west end, 1970s-present
Cincinnati
Common: US 422 / US 21
Cleveland. US 21 north end (1926-1971); US 422 west end (1926-present)
Common: US 42 / US 322
Cleveland. East end US 42 (1926-present); west end US 322 (1926-present)
US 25 north end, 1974-present
Cincinnati
US 223 east end, 1960s-1987
Toledo
Common: US 22 / US 42
Cincinnati. US 42 (1926-1932); US 22 (1932-1952)
US 127 south end, 1930-1952
Cincinnati
US 22 west end, 1952-1970s
Cincinnati
US 27 south end, 1926-1928
Cincinnati
US 127 south end, 1952-1958
Cincinnati