 Wyoming Highway 320 | ||||
|---|---|---|---|---|
| Old Yellowstone Highway North Wheatland Highway 9th Street | ||||
 WYO 320 highlighted in red | ||||
| Route information | ||||
| Maintained by WYDOT | ||||
| Length | 12.33 mi[1] (19.84 km) | |||
| Major junctions | ||||
| South end |    I-25 BL / US 87 Bus. in Wheatland | |||
| North end |  US 26 in Dwyer | |||
| Location | ||||
| Country | United States | |||
| State | Wyoming | |||
| Counties | Platte | |||
| Highway system | ||||
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Wyoming Highway 320 (WYO 320) is a 12.33-mile-long (19.84 km) north–south state highway in central Platte County, Wyoming that connects Interstate 25 Business (I-25 Bus.) and U.S. Route 87 Business (US 87 Bus.) in Wheatland to US 26 in Dwyer, and was once part of the Yellowstone Highway.
- ^ Wyoming Department of Transportation Reference Marker Book - November 2004 (PDF) (Map). WYDOT. Archived from the original (PDF) on July 17, 2011. Retrieved 2011-03-31.