U.S. Route 2 (Montana)

U.S. Route 2 (Montana)
State	MT
Type	US
Length mi	666.0
Direction	A=West
Terminus A	Bonners Ferry
Direction	B=East
Terminus B	Grand Forks
Counties	Lincoln County, Flathead County, Lincoln County, Lake County, Missoula County, Ravalli County, Mineral County, Sanders County, Lincoln County, Toole County, Pondera County, Blaine County, Hill County, Sheridan County

U.S. Route 2 (Montana) is the Montana segment of U.S. Route 2, traversing the northern tier of the state from the Idaho border near Bonners Ferry to the North Dakota border near Grand Forks. The corridor links rural communities, national forests, tribal lands, and agricultural regions while providing connections to Interstate 15, Interstate 90, and several U.S. highways. The highway serves freight, tourism, and regional mobility across landscapes including the Cabinet Mountains, Flathead Lake, and the Hi-Line.

Route description

U.S. Route 2 enters Montana from Idaho near Bonners Ferry and proceeds eastward through Lincoln County toward Kalispell, passing near Glacier National Park, Flathead Lake, and the Flathead National Forest before junctions with U.S. 93 and MT 35. The route continues through Missoula County where it intersects Interstate 90 near Missoula and provides access to University of Montana and Fort Missoula. East of Missoula the highway traverses Ravalli County and crosses the Bitterroot Valley, joining corridors to Hamilton and Stevensville. U.S. Route 2 then skirts the northern edges of the Bitterroot National Forest and proceeds into the Hi-Line region, intersecting MT 200 and passing through towns such as Shelby, Cut Bank, Glasgow, and Havre. The eastern segment advances through Blaine County and Hill County before reaching the North Dakota boundary near Grand Forks, intersecting U.S. 87 and connecting to MT 5 for access to Port of Sweetgrass and International border crossings.

History

The corridor that became U.S. Route 2 corresponded with historic routes used during westward expansion, including trails linked to Fort Benton, Lewis and Clark Expedition, and the Great Northern Railway. Designation as part of the federal U.S. Numbered Highway System aligned with developments by figures such as Herbert Hoover era transportation policy and agencies like the Bureau of Public Roads. Construction and paving through the Hi-Line accelerated with investments during the New Deal and post-World War II highway programs, intersecting improvements tied to Bonneville Power Administration projects and regional rail decline associated with Northern Pacific Railway and Great Northern Railway consolidations leading to Burlington Northern. Preservation and routing adjustments have involved stakeholders including the Confederated Salish and Kootenai Tribes, Blackfeet Nation, and county commissions in Glacier County and Pondera County. Historic realignments near Missoula and Whitefish addressed floodplain, railway grade, and tourism pressures from Glacier National Park visitation and initiatives by the National Park Service.

Major intersections

Key interchanges and junctions include the western entry near Bonners Ferry with state connections to Idaho SH‑1, the junction with U.S. 93 at Kalispell, the interchange with Interstate 90 at Missoula, the crossing with U.S. 93 Alt. and MT 200 near Great Falls connectors, the intersection with U.S. 87 near Shelby, access to Cut Bank Air Force Station and Cut Bank, crossings at Havre linking to U.S. 87 and MT 200, and the eastern exit to Grand Forks with connections toward Interstate 29 and U.S. 81 corridors. These nodes tie to regional arteries such as MT 59, MT 13, and MT 16 that enable commerce with Port of Glacier and agricultural zones around Milk River and Fort Peck Reservation.

Auxiliary routes

Auxiliary and business routes associated with the corridor include business loops serving Kalispell Business District, Shelby Business Loop, and short connectors that parallel BNSF Railway spurs and serve Cut Bank and Havre downtowns. These routes have relationships with Montana Department of Transportation maintenance designations, and local jurisdictions like the City of Missoula and Town of Whitefish manage legacy alignments that support Glacier tourism and regional freight access to Flathead Lake marinas. Some spur corridors correspond with historic U.S. 10 segments repurposed as state or county roads under agreements with Federal Highway Administration planning.

Traffic and maintenance

Traffic volumes vary widely: urbanized segments near Kalispell and Missoula experience commuter and tourist peaks tied to Glacier National Park seasons, while Hi-Line stretches see lower Average Annual Daily Traffic supporting agricultural trucks and oilfield service vehicles associated with regions like Baker and Sidney energy corridors. Maintenance responsibilities fall to the Montana Department of Transportation with coordination from county road departments in Flathead County and Toole County, and winter operations draw on resources similar to those used for Interstate 90 snow removal near Lolo Pass. Bridge inspections involve federal standards influenced by incidents like the I‑35W Mississippi River bridge collapse shaping inspection regimes, while preservation programs tap federal funding from transportation bills such as those supported by committees in the United States Congress.

Future developments and improvements

Planned upgrades focus on safety and capacity: passes through the Flathead Valley contemplate widening projects to handle tourism growth driven by Glacier National Park and transit links to Glacier Park International Airport, while Hi-Line communities advocate for pavement rehabilitation funded through federal grant programs championed by representatives from Montana's congressional delegation. Proposals include interchange modernization at Missoula with potential transit connections to Amtrak services, resilience projects addressing climate impacts on the Bitterroot River corridor, and collaboration with tribal governments such as the Blackfeet Nation for cultural resource protection. Ongoing corridor studies by the Federal Highway Administration and Montana Department of Transportation will prioritize freight reliability, safety countermeasures, and multimodal integration with rail and air facilities including BNSF Railway yards and regional airports.

Category:U.S. Highways in Montana