Interstate 135

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 interstate's northern terminus is at the junction of Interstate 70 and its southern terminus is with Interstate 35 (the Kansas Turnpike).

Until 1976, I-135 was designated as I-35W. It is the longest spur (3-digit number, first digit odd) in the Interstate system.