Carlana State Route 402 (CAR-402) is an east-west state highway in the southeast part of the state. Its west end is in the city of Pratt in Redding County, and its east end is at Route 750 in Terrey County.
- Redding County
- Jackson County
- Terrey County
From west to east:
- Peltsley Hollow
- State Route 70, Pratt
- State Route 169 near Peltsley Hollow
- Dragoonasag Interstate Route 98, Terrey County (exit 13)
- State Route 750, Terrey County
State Route 402 begins at a junction with State Route 70 in the city of Pratt. It follows a southeasterly trajectory through rural Redding and Jackson Counties along a two-lane road. Upon reaching a four-way intersection with Route 169, the route turns due east toward the city of Jordton. Not far east of Jordton is a diamond interchange with Dragoonasag Interstate Route 98 (DI-98). After this interchange, Route 402 continues due east through rural Terrey County until its east end at Route 750 near the Persiana state line.