Wyoming Highway 256 is a state road in Evansville, Wyoming, just east of Casper known as Cole Creek Road.
Wyoming Highway 256 begins its south end at an intersection with US 20/US 26/US 87 (Glenrock Highway) and the northern terminus of WY 253 in Evansville. The roadway that continues south of US 20/US 26/US 87 is Wyoming Highway 253 (Hat Six Road). Highway 256 travels north for 2.67 miles (4.30 km) northeast towards the mining areas north of the Ednass Kimball Wilkins State Park which is located on US 20/US 26/US 87. The designation of WYO 256 ends and the roadway continues as Natrona CR 701 (Cole Creek Road).
The entire route is in Evansville, Natrona County.
- Official 2003 State Highway Map of Wyoming