Kansas Interstate History
Kansas Interstates have a long and rich history. Click on the links below to view milestones in each decade.
1960s
1960
325 miles of Interstate was open in the United States. Of that, 105 miles were in Kansas.
1964
Kansas welcomed visiting experts to see the world's largest asphalt project, the surfacing of I-70 through Saline, Lincoln, and Ellsworth counties where asphalt was laid 18 inches thick along 40 miles of dual road. Six asphalt plants turned out 1,650 tons of asphalt and aggregate an hour.
1965
Governor Avery and several beauty queens shared the spotlight with a 101-year-old pioneer woman at the opening of I-70 from Oakley to Colby.
July - I-235 in Wichita was completed.
1966
With the completion of a section of I-70 near Russell, the last section between Colby and St. Louis, Missouri was opened.
1968
Kansas saw its first experimental application of slipform paving on I-35W (now I-135) near McPherson.
