Idaho State Highway 66

State Highway 66 (SH-66) is a 0.992-mile-long (1.596 km) state highway located entirely within Latah County in North Central Idaho. SH-66 runs from the Washington state line in unincorporated Latah County east to U.S. Route 95 (US-95) north of Viola. The highway is maintained by the Idaho Transportation Department.

State Highway 66
SH-66 highlighted in red
Route information
Maintained by ITD
Length	0.992 mi[1] (1.596 km)
Major junctions
West end	Washington state line in unincorporated Latah County
East end	US 95 north of Viola
Location
Counties	Latah
Highway system
State Highways in Idaho Interstate U.S. State ← SH-64 → SH-67

Route description

SH-66 begins at the Washington state line northwest of Viola; the route continues northwest into Washington as Palouse Cove Road. From here, the highway heads southeast through a rural area. After passing Potter Road, the route turns to the west. Shortly after passing Weber Road, SH-66 terminates at a 3-way junction with US-95 north of Viola. The route is a two-lane undivided road for its entire length.[2][1]

Major intersections

The entire route is in Latah County.

Location	mi[1]	km	Destinations	Notes
​	0.000	0.000	Palouse Cove Road	Washington state line and western terminus
​	0.992	1.596	US 95	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

1. "State Highway 66 Milepoint Log". Idaho Transportation Department. Archived from the original on May 12, 2012. Retrieved April 29, 2012.
2. Google (April 29, 2012). "Overview map of State Highway 66" (Map). Google Maps. Google. Retrieved April 29, 2012.