 State Highway 42 | ||||
|---|---|---|---|---|
 Map of Boulder County in north central Colorado with SH 42 highlighted in red | ||||
| Route information | ||||
| Maintained by CDOT | ||||
| Length | 4.876 mi[1] (7.847 km) | |||
| Major junctions | ||||
| North end |  SH 7 in Lafayette | |||
| Louisville | ||||
| East end |  US 287 in Lafayette | |||
| Location | ||||
| Country | United States | |||
| State | Colorado | |||
| Counties | Boulder | |||
| Highway system | ||||
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State Highway 42 (SH 42) is a state highway in Boulder County, Colorado, United States. It runs south from SH 7 to Louisville and then east to US 287.
- ^ Colorado Department of Transportation, Highway Data Explorer, accessed November 2013