Old Yellowstone Trail South Improvements and Preservation
Project Description:
Old Yellowstone Trail South (OYTS) is a roadway and trail of the same name location in Park County Montana. OYTS provides access to the Custer Gallatin National Forest (CGNF), Yellowstone National Park, and the world-famous Yellowstone River along the entire corridor.
The proposed project area is an approximately 8-mile-long corridor starting at Arch Park and terminating at Summit Way. The scope includes road gravel resurfacing and rehabilitation, drainage improvements, and culvert installation.
Project Partners:
- Park County
- Yellowstone National Park
- United States Forest Service
- Federal Highway Administration - Western Federal Lands Highway Division
Anticipated Timeline
Project Design and Permitting: 2023 – 2025
Advertise and Award: Spring 2025
Construction: Summer/Fall 2025