Project Overview

Wildlife Crossing Study: I-90 Missoula to Garrison

Study timeline: 2026 - 2028

The Montana Department of Transportation (MDT), in partnership with DJ&A, Jacobs, and the Western Transportation Institute (WTI) announce a wildlife crossing study on Interstate 90 (I-90) between Missoula and Garrison. The study aims to identify opportunities to reduce wildlife vehicle collisions (WVCs) and improve habitat connectivity through strategically planned wildlife crossings.

Funded through the federal Wildlife Crossings Pilot Program (WCPP), the two-year study will evaluate data pertaining to wildlife movements, habitat, and vehicle collisions to determine where wildlife crossings will be the most effective. Study results will support long-term planning for the corridor and include recommendations for various types and configurations of wildlife crossings and associated infrastructure such as underpasses, overpasses, and fencing.

Later this year, project partners will begin gathering data from public databases, peer-reviewed literature, and from state, tribal, and federal agencies to establish baseline conditions within the study area. Initial fieldwork, including data collection on wildlife movements and habitat, will begin this winter. Drivers may notice crews along the sides of the road conducting these activities. While quantitative data is being gathered, area businesses, special interest groups, area landowners, and key stakeholders will be contacted to provide local insight relevant to study objectives.

Project Map

UPN 10564000