Note: Marks ending in U are for container owners; marks ending in X are not common carriers; marks ending in Z are for trailers without flanged wheels. All other marks are of common-carrier railroads.
BNSF Railway is the largest freight railroad in the United States. One of six North American Class I railroads, BNSF has 36,000 employees, 33,400 miles (53,800 km) of track in 28 states, and over 8,000 locomotives. It has three transcontinental routes that provide rail connections between the western and eastern United States. BNSF trains traveled over 169 million miles in 2010, more than any other North American railroad.
The following is a brief history of the North American rail system, mainly through major changes to Class I railroads, the largest class by operating revenue.
The following is a brief history of the North American rail system, mainly through major changes to Class I railroads, the largest class by operating revenue.