Interstate 70 in Kansas

In the U.S. state of Kansas, Interstate 70 contains the first segment to start being paved and to be completed in the Interstate Highway System. It extends from the Western border to the Eastern border covering and passing through several of the state's principal cities in the process.

Route description

I-70 is joined with US-24 from the Colorado state line until US-24 splits at Levant and runs north of I-70. At Colby, I-70 begins to turn southeast until it reaches Oakley, where US-40 joins with I-70 for a concurrent journey through most of the state. The route remains flat until it reaches the county line between Russell and Ellsworth counties, where the road begins to travese rolling hills.

At Salina, Interstate 135 begins its journey southward toward Wichita, and I-70 continues through Abilene and Junction City, where the road begins to run through the Flint Hills.

In Topeka, I-70 intersects a child route, I-470, twice. The second time it is intersected, the Kansas Turnpike merges, making I-70 into a toll road. This is one of only two sections of I-70 that are tolled (the other is along the Pennsylvania Turnpike). I-70 carries this designation from Topeka to Bonner Springs. It is the eastern terminus of the turnpike, and from there to 18th Street and extending on to the Kansas eastern border, the highway is free.

I-70 enters Missouri via a main northern route on the Lewis and Clark Viaduct above the confluence of the Kansas River and Missouri River and a route...
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