Additional Info

Heading west from Green River, Utah along Interstate 70, motorists are alerted to the lack of services through to Salina. Photo taken 08/17/13.
The 106-mile stretch between Green River and Salina on Interstate 70 is the longest on the Interstate system without any services. The longest stretch of a numbered route in the lower 48 states is the 163 mile drive along U.S. 6 between Tonopah and Ely, Nevada.
Interstates 70 and 71 conclude a 1.74 mile overlap through Downtown Columbus at Ohio 315 (Olentangy Freeway) north. Photo taken 10/01/10.
The numbering grid of the Interstate system includes an array of overlaps where consecutively numbered routes either intersect or overlap. The junction of I-70 and 71 is one such in Ohio. Two others are the east end of I-74 at I-75 in Cincinnati and the overlap of I-76 and 77 at Arkon.

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Interstates 70 through 74 and Signed Branch Routes

Jump to Interstate
H1-8 10-15 16-29 30-39 40-45 49-64 65-69 70-74
75-77 78-80 81-84 85-88 89-90 91-94 95 96-99

Interstate South/West Terminus North/East Terminus
70 Cove Fort, UT Baltimore, MD
170 MO Brentwood Hazelwood
270 CO near Commerce City eastern Denver
270 IL/MO Mehlville, MO Troy, IL
270 MD near Bethesda Frederick
270 OH Beltway - Columbus
370 MD Gaithersburg east of Gaithersburg
470 KS western Topeka eastern Topeka
470 MO southern Kansas City Independence
470 OH/WV near Blaine, OH Wheeling, WV
670 KS/MO Kansas City, KS Kansas City, MO
670 OH western Columbus near Gahanna
71 Louisville, KY Cleveland, OH
271 OH Weymouth Willoughby Hills
471 KY/OH Highland Heights, KY Cincinnati, OH
72 Hannibal, MO Champaign, IL
172 IL Fall Creek near Quincy
73 near Candor, NC Greensboro, NC
74 Davenport, IA Cincinnati, OH
74 NC near Pine Ridge near Lumberton
474 IL near West Peoria near East Peoria