BNSF is a major U.S. railroad with over 32,000 miles across 28 states and three Canadian provinces. It covers the western two-thirds of the United States connecting Pacific ports to the Midwest, Southeast, and Southwest, and from Canada to Mexico. In Iowa, BNSF operates 659 miles, primarily from Burlington to Glenwood. Operations are on mainline tracks in the east, south, and west parts of the state as well as several branch lines.