| State: | CO |
| Type: | CO |
| Route: | 402 |
| Map: | Colorado State Highway 402 Map.svg |
| Map Notes: | Map of Larimer County in northern Colorado with SH 402 highlighted in red |
| Length Mi: | 4.2 |
| Length Round: | 1 |
| Length Ref: | [1] |
| Established: | 1950 |
| Direction A: | West |
| Direction B: | East |
| Previous Type: | CO |
| Previous Route: | 394 |
| Next Type: | CO |
| Next Route: | 470 |
State Highway 402 (SH 402) is a 4.21NaN1 state highway in Larimer County, Colorado, United States, that connects U.S. Route 287 (US 287) Loveland with Interstate 25/US 87 (I-25/US 87) in Johnstown.
The road begins at an intersection with US 287 in the southern part of Loveland. It begins as 14th Street SE through farmland along County Road 18 After intersecting County Road 9 and County Road 7, the road meets its east end at an diamond interchange with I-25/US 87, at exit 255.[1]
The route was numbered and established in 1950 by the Colorado Department of Transportation from U.S. Highway 287 to Interstate 25. Four years later, the road was entirely paved.[2] Since its establishment, the route has not been majorly adjusted.