Sponsors (2)
The bill improves long‑distance connectivity and economic opportunity by creating a continuous Interstate corridor, but it shifts substantial costs, local disruption, and environmental and safety burdens onto communities and governments along the route.
Drivers, freight carriers, and communities along US‑287 gain a continuous Interstate (I‑47) corridor from Port Arthur, TX to Choteau, MT, shortening long‑distance travel times and improving route safety and reliability.
Local and state economies along the corridor see increased commerce and tourism from improved connectivity and freight movement, potentially boosting jobs and local revenues.
State DOTs and federal transportation planners gain clearer federal authority and prioritization to plan, coordinate, and seek funding for corridor upgrades, helping align projects and access federal resources.
State and local governments (and ultimately local taxpayers) will likely face substantial costs and construction disruption to upgrade the route to Interstate standards.
Rural landowners and nearby communities may experience land acquisition, habitat disruption, and other environmental harms from expansion and construction activities.
Communities along the corridor could face increased traffic volumes (especially freight), bringing more noise, wear on local roads, and elevated safety risks for residents and local drivers.
Based on analysis of 2 sections of legislative text.
Adds U.S. Route 287 (Port Arthur, TX to Choteau, MT) as a high-priority corridor and designates it Interstate I–47 in federal statute.
Official title: Amend the Intermodal Surface Transportation Efficiency Act of 1991 to designate United States Route 287 as Interstate Route I-47, and for other purposes.
Introduced May 11, 2026 by John Cornyn · Last progress May 11, 2026
Designates a new high-priority corridor and an Interstate route called I–47 by adding U.S. Route 287 — running from State Highway 87 in Port Arthur, Texas, to U.S. Route 89 in Choteau, Montana — to the list of high-priority corridors in the Intermodal Surface Transportation Efficiency Act of 1991. The bill updates the statutory cross-references so that that corridor is assigned the Interstate number I–47. The text only creates the route designation; it does not appropriate funds or create new federal requirements.