Wyoming Highway 218 (WYO 218) was an American state highway in southwestern Laramie County, Wyoming, east of Buford and west of Cheyenne.

WYO 218, named Harriman Road, traveled from Interstate 80 and US 30 (Exit 342) south for only 1.77 miles (2.85 km) as state maintenance ended there.

[1][2] The roadway continued south as Laramie County Route 102 (Harriman Road) to the Colorado State Line and the town of Harriman.

[3] From there the roadway continues in Colorado as Larimer County Route 37, named Red Mountain Road, to US 287.

[2] The entire route was in Granite Canon, Laramie County.