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Three Interstate Highways transect Washington State. These include Interstate 82, Interstate 90, and Interstate 5. Interstate 90 crosses the entire state at a length of 297.52 miles.
There are three major U.S. Interstate highways in Washington. They are I-5 (276.62 miles), I-82 (132.57 miles) and I-90 (297.52 miles).
California.
As of 2006, there were 46,876 miles of roadway in the Dwight D. Eisenhower National System of Interstate and Defense Highways.
According to Wikipedia, there are 17 Interstate highways in Missouri, with a total length of 1,193 miles.
It was the 1956 Eissenhower administration legislation properly called the Federal-Aid Highway Act which authorized the construction of 40,000 miles of interstate highways in the US.
It is important to drive safely. The speed limit on a rural interstate highway is usually set somewhere between 65 miles per hour and 80 miles per hour.
According to the US Department of Transportation Federal Highway Administration, the total length of the Interstate Highway System was 46,876 miles as of 2006. However, this number is constantly changing as more highways are being built or upgraded.
California is about 797 miles from end to end on Interstate 5. It is about 200 miles wide on I-80 and about 240 miles wide on I-10. The state covers about 163,000 square miles. California has a total of about 15,000 miles of state highways and 2,300 miles of interstate freeways and 8,700 miles of other freeways and expressways.
The interstate highways in Iowa are I-29 (151 miles), I-35 (218 miles) I-74 (5 miles) and I-80 (306 miles). I-80 is the primary west to east interstate highway in Iowa. It extends from the Nebraska state line at Council Bluffs, Iowa to the Illinois state line at LeClaire, Iowa. I-35 is the primary north to south interstate highway in Iowa. It enters Iowa from the Minnesota state line at Council Bluffs, Iowa and runs south to the Missouri state line at Lamoni, Iowa.
The major north/south highways in Illinois are IL55 (Chicago to St. Louis MO), IL90 (Chicago to Beloit WI) and IL57 (Chicago to Kentucky. The major east/west highways in Illinois are IL80 and IL88, both of which will take you to Iowa.
There are three major U.S. Interstate highways in Washington. They are I-5 (276.62 miles), I-82 (132.57 miles) and I-90 (297.52 miles).