I am 2175 miles long and pass through the following states:
Utah- 230 miles,
Colorado- 450 miles,
Kansas- 423 miles,
Missouri- 251 miles,
Illinois- 156 miles,
Indiana- 157 miles,
Ohio- 225 miles,
West Virginia- 15 miles,
Pennsylvania- 175 miles,
Maryland- 93 miles.
Major Cities Along my Route-
Denver, CO
Topeka, KS
Kansas City, MO
St Louis, MO
Indianapolis, IN
Columbus, OH
Wheeling, WV
Baltimore, MD
Intersections with other Interstates
The Western I-76 in Denver, CO
I-25 in Denver, CO
I-35 in Kansas City, MO
I-55 in St Louis, MO. They stay joined until Troy, IL
I-57 in Effingham, IL
I-74 in Indianapolis, IN
I-65 in Indianapolis, IN
I-75 in Dayton, OH
I-71 in Columbus, OH
I-77 in Cambridge, OH
I-79 in Washington, PA
The Eastern I-76 in New Stanton, PA. They stay joined until Breezewood, PA.
I-68 in Hancock, MD
I-81 in Hagerstown, MD
Here's a link to I-70 Traffic cams in Colorado: Click hereHistory
Interstate 70 was one of the first Interstate Highways to be built on many different levels, according to the Federal Highway Administration article Three States Claim First Interstate Highway by Richard F. Weingroff that appeared in Public Roads. Three sections of Interstate 70 in Pennsylvania, Missouri, and Kansas could each claim to be the "first" section of Interstate Highway to be built.
The Pennsylvania Turnpike today incorporates portions of both Interstate 70 and Interstate 76. The section between Irwin (Exit 67, near the junction U.S. 30 southeast of Pittsburgh) and Carlisle (Exit 226, near the junction with Interstate 81) opened to traffic on October 1, 1940. Although the Turnpike did not have Interstate 70 shields on it when it opened, this portion of Interstate 70 (and Interstate 76) could be considered the first Interstate highway. However, this toll facility was not built with Interstate Highway Funds. The Interstate designation was added to the Turnpike well after the roadway opened.
The other two instances of "first Interstate highway" claims are directly related to the freeways built with Interstaet Highway Funds. In Missouri, the section of Interstate 70 (Mark Twain Expressway) in St. Charles County was the first Interstate Highway project to be awarded and to start construction (contract awarded on 08/02/1956 and construction began on 08/13/1956). In Kansas, a two-lane section of Interstate 70 (U.S. 40) several miles west of Topeka also could claim "first Interstate highway" because it was the first segment to be completed with federal Interstate Highway funds, even though construction had begun prior to that point. This section of Interstate 70 opened on November 14, 1956. Signs along the route at the time stated that this section of Interstate 70 was the "first project in the United States completed under the provisions of the new Federal-Aid Highway Act of 1956."
Parallel/Historic U.S. Routes
From Cove Fort east to Green River, Interstate 70 largely follows U.S. 50, although prior to the construction of the freeway, U.S. 50 opted instead to follow the current route of U.S. 6 west to Delta. Between Green River and Grand Junction, Interstate 70 remains merged with U.S. 6-50. U.S. 50 splits south at Grand Junction, leaving Interstate 70 to follow U.S. 6 from Grand Junction east to Denver. U.S. 40 meets Interstate 70 for the first time at Empire, and these two routes interplay from there east to Baltimore. Interstate 70 follows U.S. out of Denver all the way to Limon, and then picks up the U.S. 24 corridor from Limon to Colby. At Colby, Interstate 70 swings south to rejoin U.S. 40 at Oakley. From there, Interstate 70 and U.S. 40 are generally merged all the way to St. Louis, with a few exceptions. East of St. Louis, Interstate 70 and U.S. 40 follow each other closely, with a deviation near Washington, Pennsylvania. However, once in Maryland, Interstate 70 and U.S. 40 remain parallel all the way into Baltimore.