I-90 Montana Segment

Interstate 90 (I-90) traverses southern Montana, serving as a critical east-west transportation corridor. It begins at the Idaho border near the town of Wallace and extends eastward across the state, ultimately reaching the South Dakota border near the city of Miles City. The I-90 Montana segment encompasses key locations such as Missoula, Butte, and Billings, which is the largest city in Montana with a population over 100,000.

As a primary interstate highway, I-90 facilitates a mix of commuter travel and freight movement across the region. It connects major urban centers and provides essential access to various destinations, including Yellowstone National Park to the south, which attracts significant tourism. This corridor is vital for local economies and freight transport, linking regional industries to national markets.

In recent years, infrastructure upgrades have been a focus along the I-90 segment, aimed at improving safety and capacity. Seasonal travel demand can lead to congestion during peak tourism periods, particularly in summer months when visitors flock to national parks and outdoor recreational sites. As part of the national interstate system, I-90 plays a significant role in enhancing regional connectivity and supporting transportation planning efforts in southern Montana. Overall, it serves as an essential artery for both residents and commercial activities, significantly influencing the economy and mobility of the area.