State Route 186 is a 3.829 miles (6.2 km) state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in Macon County

Macon County, Alabama

Macon County is a county in the U.S. state of Alabama. Its name is in honor of Nathaniel Macon, a member of the United States Senate from North Carolina. Developed for cotton plantation agriculture in the nineteenth century, it is one of the counties in Alabama within the Black Belt of the South.As...

. The western terminus of the route is at an interchange with Interstate 85

Interstate 85 in Alabama

In the U.S. state of Alabama, Interstate 85 scales the state for from Montgomery to the Georgia border.-Exit list:In the U.S. state of Alabama, Interstate 85 scales the state for from Montgomery to the Georgia border.-Exit list:...

 approximately 9 miles (14.5 km) west of Auburn

Auburn, Alabama

Auburn is a city in Lee County, Alabama, United States. It is the largest city in eastern Alabama with a 2010 population of 53,380. It is a principal city of the Auburn-Opelika Metropolitan Area...

. The eastern terminus of the route is at its junction with US-29/80 approximately 8 miles (12.9 km) east of Tuskegee

Tuskegee, Alabama

Tuskegee is a city in Macon County, Alabama, United States. At the 2000 census the population was 11,846 and is designated a Micropolitan Statistical Area. Tuskegee has been an important site in various stages of African American history....

.

Route description

From its origination, State Route 186 passes through the Tuskegee National Forest

Tuskegee National Forest

The Tuskegee National Forest is a U.S. National Forest located in Macon County, Alabama, just north of Tuskegee and west of Auburn. The topography is level to moderately sloping, with broad ridges with stream terraces and broad floodplains....

. The two-lane route serves as a connector route between I-85 and Phenix City

Phenix City, Alabama

Phenix City is a city and the county seat in Russell County in the U.S. state of Alabama. Portions of Lee County are addressed as Phenix City, 36870 ZIP code, for the sole purpose that Smiths Station does not have full incorporation to annex the area...

 and Columbus, Georgia

Columbus, Georgia

Columbus is a city in and the county seat of Muscogee County, Georgia, United States, with which it is consolidated. As of the 2010 census, the city had a population of 189,885. It is the principal city of the Columbus, Georgia metropolitan area, which, in 2009, had an estimated population of 292,795...

 via U.S. Highway 80.

Major intersections

|}