Idaho State Highway 66

State Highway 66
SH-66 highlighted in red
Route information
Maintained by ITD
Length	0.992 mi[1] (1,596 m)
Major junctions
West end	Palouse Cove Road at Washington state line
East end	US 95 near Viola
Location
Country	United States
State	Idaho
Counties	Latah
Highway system
Idaho State Highway System Interstate US State
← SH-64 → SH-67

State Highway 66 (SH-66) is a state highway located entirely within Latah County, Idaho, United States. It travels for less than one mile (1.6 km) from Palouse Cove Road at the Washington state line to U.S. Route 95 (US-95) north of Viola. The highway is maintained by the Idaho Transportation Department.