Interstate 135 (abbreviated I-135) is a 95.7-mile-long Interstate Highway in central and south-central Kansas, USA. I-135 runs between the cities of Salina and Wichita. The route also runs through the cities of McPherson, Newton, and Park City. The interstate's northern terminus is at the junction of Interstate 70 and its southern terminus is with Interstate 35 (the Kansas Turnpike).
The Kansas Turnpike is at the interstate's northern terminus.