Categorical Exclusion Completed

Big Sky Exchange Fiber-To-The-Home Installation

Custer Gallatin National Forest Gallatin, Montana Bozeman Ranger District

Fiber optic cable installation within existing utility and road rights-of-way along U.S. Highway 191 in 3 Rivers Telephone Cooperative's Big Sky Exchange. The project area is located approximately from Lava to Karst for 19.2 miles with a 10-foot right-of-way totaling 11.3 acres.

Location

Located north of Big Sky, MT, approximately from Lava to Karst along U.S. Highway 191. Montana Principal Meridian, Gallatin County, Montana, T5S R4E secs. 9, 14, 15, 23, 24, 25, and 36 and T6S R4E secs. 12 and 13.

Project timeline

1
NEPA Start Date
7/22/2025
2
Finding/Decision Date
6/11/2026

NEPA / regulatory detail

Categorical ExclusionUSDA-27d-USFS
Decision Signed Date6/11/2026
Special use management