List of Interstate Highways in Kansas
# List of Interstate Highways in Kansas

The Interstate Highways in Kansas are the segments of the Dwight D. Eisenhower National System of Interstate and Defense Highways within the U.S. state of Kansas.

## Primary highways

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| - | - | - | - | - | - | - | - |
| I-35 | 235.5 | 379.0 | Oklahoma state line south of South Haven | Missouri state line in Kansas City | 01956-01-011956 | current | Concurrent with the Kansas Turnpike for 127 miles from the Oklahoma state line to the junction with I-335 and US-50 in Emporia. |
| I-35W | 95.7 | 154.0 | I-35 / Kansas Turnpike in Wichita | I-70 / US-40 / US-81 in Salina | 01971-01-011971 | 01976-01-011976 | Renumbered I-135 |
| I-66 | — | — | Wichita, Kansas | Missouri State line | 01991-01-011991 | 02015-01-012015 | Cancelled proposed interstate that was planned to run from Wichita to the junction with I-73/I-74/US 52 in West Virginia as part of the East–West TransAmerica Corridor. |
| I-70 | 424.2 | 682.7 | Colorado state line west of Kanorado | Missouri state line in Kansas City | 01956-01-011956 | current | Concurrent with the Kansas Turnpike from the junction with I-470, US-40 and K-4 in East Topeka to the Turnpike's eastern terminus in the Kansas City area. |

## Auxiliary highways

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| - | - | - | - | - | - | - | - |
| I-135 | 95.7 | 154.0 | I-35 / Kansas Turnpike in Wichita | I-70 / US-40 / US-81 in Salina | 01976-01-011976 | current | Originally signed as I-35W |
| I-235 | 16.5 | 26.6 | I-135 / US-81 in Wichita | I-135 / US-81 / K-15 / K-96 / K-254 in Wichita | 01962-01-011962 | current | |
| I-335 | 50.1 | 80.6 | I-35 / Kansas Turnpike / US-50 in Emporia | I-470 / Kansas Turnpike / US-75 in Topeka | 01987-01-011987 | current | Overlaps Kansas Turnpike for its entire length |
| I-435 | 28.17 | 45.34 | Missouri state line in Kansas City | Missouri state line in Leawood (State Line Road) | 01965-01-011965 | current | Kansas City beltway |
| I-470 | 13.72 | 22.08 | I-70 / US-40 / K-4 / US-75 in Topeka | I-70 / Kansas Turnpike / US-40 / K-4 east of Topeka | 01960-01-011960 | current | Concurrent with the Kansas Turnpike from the junction with I-335 in South Topeka to the junction with I-70, US-40 and K-4 in East Topeka. |
| I-635 | 8.9 | 14.3 | I-35 / US-69 in Overland Park | Missouri state line in Kansas City | 01975-01-011975 | current | |
| I-670 | 1.64 | 2.64 | I-70 / US-24 / US-40 / US-69 in Kansas City | Missouri state line in Kansas City | 01968-01-011968 | current | |
