Route 70
From Indiana state line 1 mile west of route 35E to West Virginia state line
in Bridgeport. Part of Interstate 70, which runs from Cove Fort, Utah to
Baltimore, Maryland.
Counties:
Preble, Montgomery, Clark, Madison, Franklin, Fairfield, Licking, Muskingum,
Guernsey, Belmont
Length:
225 miles
General Direction:
East/West
Dual Certifications:
Supercedes route 4 from 8 miles east of route 75 to Enon.
Supercedes route 40 from Old Washington to 18 miles east of Old
Washington.
Freeway Sections:
Entire route.
History of route 70:
Certified in 1962.
In 1962, complete from 3 miles east of Arlington to Enon, 1 mile west of
Kirkersville to 2 miles east of Brownsville, and 1 mile west of
St. Clairsville to Lansing.
3 miles east of Arlington to Enon, 1 mile west of Kirkersville to 2 miles
east of Brownsville, and 1 mile west of St. Clairsville to Lansing dually
certified with route 40 in 1962.
8 miles east of route 75 (route 25 in 1962) to Enon dually certified
with routes 1 and 4 in 1962.
Zanesville to 8 miles east of Zanesville complete by 1964 and dually
certified with route 40 in 1966.
Indiana state line to route 49, 2 miles west of Cambridge to 9 miles
east of Cambridge, Morristown to St. Clairsville, and Lansing to West
Virginia state line complete by 1966.
Route 1 certification removed in 1966.
8 miles east of Zanesville to New Concord and 9 miles east of Cambridge
to Morristown complete in 1967.
9 miles east of Cambridge to Morristown dually certified with route 40
in 1967.
Route 40 certification from St. Clairsville to Lansing removed in 1967.
Enon to route 41, Columbus to 1 mile west of Kirkersville, and
New Concord to 2 miles west of Cambridge complete in 1968.
Route 41 to 8 miles east of Springfield and 2 miles east of Brownsville
to Zanesville complete in 1969.
Old Washington to 18 miles east of Old Washington dually certified with
route 40 in 1969.
Route 40 certification from 3 miles east of Arlington to Enon removed in
1969.
8 miles east of Springfield to route 29 complete in 1970.
Route 40 certification from 1 mile west of Kirkersville to 2 miles east
of Brownsville and from Zanesville to 8 miles east of Zanesville removed in
1970.
Route 29 to route 270 complete in 1971.
Route 270 to route 40, 3 miles west of downtown Columbus complete in
1974.
Entire route complete by 1976.
Route 70 Before 1962:
From Covington to 3 miles east of Carmel.
Originally routed from Covington to Washington C.H. along current
route 41.
Extended to 3 miles east of Carmel by 1931.
Covington to Greenfield certified as route 41 in 1962.
Greenfield to 3 miles east of Carmel certified as route 753 in 1962.