it took 27years to build interstate 75.
1962
it began in 1956 along the Pigeon River in Haywood county and was officially opened in 1990.
Interstate highways
Because rivers were the Interstate highway system.
Because the country is going broke and can't afford it.
You'd get 400 miles west
The first interstate highway built in the United States was the Dwight D. Eisenhower National System of Interstate and Defense Highways, with the initial segment constructed in Missouri. This stretch of highway, known as the Interstate 70, opened in 1956. It was part of a larger initiative to create a nationwide network of highways to improve transportation and enhance national defense.
The SF-400 was built in Japan.
The first interstate highway built in the United States is the Interstate 70 (I-70), which opened in 1956. It runs from Cove Fort, Utah, to Baltimore, Maryland, spanning approximately 2,153 miles. The Interstate Highway System was established by the Federal-Aid Highway Act of 1956, aimed at enhancing national defense and improving the efficiency of transportation across the country.
400 B.C.
Interstate 80 (I-80) was built as part of the Interstate Highway System, which began construction in 1956. The highway was completed in segments over the years, with its entire length officially opened to traffic in 1986. I-80 runs from San Francisco, California, to Teaneck, New Jersey, covering approximately 2,900 miles.