Interstate highways continue to multiply in North Carolina. State and local officials on Monday unveiled signs for “Future I-685,” which will someday follow U.S. 421 from I-85 near Greensboro ...

(WLUK) -- How should technology be used in future versions of the Wisconsin state highway map? The department of transportation is looking for answers. Over 100 years ago, the state DOT published its ...

The interstate system was created in 1956. From there a map of routes extended across the country was created and constructed ...

When the Interstate system was first introduced in 1956, the population was more centered in the eastern part of the country.

Considered to be the "Superhighways to the Future," at least according to a headline in the Dec. 21, 1958, edition of the Courier Journal, interstate highways were a new way of life for Louisville car ...