The Burlington Northern Santa Fe Corporation (BNSF) is one of the largest freight railroad networks in North America. It operates over 32,000 miles of track across 28 states and three Canadian provinces, providing essential transportation services for various goods, including coal, agricultural products, and consumer goods. BNSF was formed in 1996 through the merger of the Burlington Northern Railroad and the Santa Fe Railway. The company is a subsidiary of Berkshire Hathaway, which is led by investor Warren Buffett. BNSF plays a crucial role in the U.S. economy by facilitating the movement of freight across vast distances.