State Highway 170 is a highway

Highway

A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...

 in Colorado

Colorado

Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

 that connects Eldorado Springs

Eldorado Springs, Colorado

Eldorado Springs is a census-designated place in Boulder County, Colorado, United States. The population was 585 at the 2010 census. The Eldorado Springs Post Office has the ZIP Code 80025....

 and Superior

Superior, Colorado

Superior is a Statutory Town in Boulder and Jefferson counties in the U.S. state of Colorado. According to United States Census Bureau estimates, the population of the city was 10,308 on 2005-07-01.-History:...

.

Route description

The road begins at the edge of Eldorado Canyon State Park

Eldorado Canyon State Park

Eldorado Canyon State Park is part of the Colorado State Park system. It is located in Boulder County near the city of Boulder. The park consists of two areas, the Inner Canyon and Crescent Meadows . The park encompasses with a variety of recreation opportunities available...

 at El Dorado Springs

Eldorado Springs, Colorado

Eldorado Springs is a census-designated place in Boulder County, Colorado, United States. The population was 585 at the 2010 census. The Eldorado Springs Post Office has the ZIP Code 80025....

. SH 170 then heads eastward, meeting County Road 67 before passing through a rural grassy area. The route then meets State Highway 93

Colorado State Highway 93

State Highway 93 is a highway in Colorado that connects Golden and Boulder.-Route description:SH 93 runs , starting at its southern junction with U.S. Highway 6 at the entrance to Clear Creek Canyon in Golden...

, where it becomes Marshall Drive, just north of Marshall Lake. The road then finds its eastern terminus at U.S. Route 36

U.S. Route 36 in Colorado

U.S. Route 36 is a major east–west route in the U.S. state of Colorado, extending from Rocky Mountain National Park to the Kansas state line.-Route description:...

, the Denver-Boulder Turnpike, passing through the city of Superior

Superior, Colorado

Superior is a Statutory Town in Boulder and Jefferson counties in the U.S. state of Colorado. According to United States Census Bureau estimates, the population of the city was 10,308 on 2005-07-01.-History:...

.

Major intersections

The entire route is in Boulder County

Boulder County, Colorado

Boulder County is the sixth most populous of the 64 counties of the state of Colorado of the United States. The county seat is Boulder. The most populous municipality in the county and the county seat is the City of Boulder...

.

Location	Mile	Destination	Notes
Eldorado Springs Eldorado Springs, Colorado Eldorado Springs is a census-designated place in Boulder County, Colorado, United States. The population was 585 at the 2010 census. The Eldorado Springs Post Office has the ZIP Code 80025....	0.000
	2.735
Superior Superior, Colorado Superior is a Statutory Town in Boulder and Jefferson counties in the U.S. state of Colorado. According to United States Census Bureau estimates, the population of the city was 10,308 on 2005-07-01.-History:...	6.969