The shields for Kansas' primary and auxiliary Interstate highways. There are six primary Interstate highways and eight auxiliary Interstate highways in Kansas. Interstate 27 (I-27) - Runs from the Oklahoma state line near Liberal, KS to the Nebraska state line north of Oberlin, KS. Interstate 35 (I-35) - Runs from the Oklahoma state line south of South Haven, KS to the Missouri state line in Kansas City, KS. Interstate 45 (I-45) - Runs from I-35 and US 69 in Lenexa to the Oklahoma state line. Interstate 66 (I-66) - Runs from the Colorado state line near Coolidge, KS to the Missouri state line near Carl Junction, MO. Interstate 70 (I-70) - Runs from the Colorado state line west of Kanorado, KS to the Missouri state line in Kansas City, KS. Interstate 72 (I-72) - Runs from the Colorado state line near St. Francis, KS to the Missouri state line on the Missouri River at St. Joseph, MO. Interstate 135 (I-135) - Runs from I-35 in Wichita to I-70 and US 40/81 in Salina. Inte...