In the United States, railroad carriers are designated as Class I, II, or III, according to size criteria set by the Surface Transportation Board in 1992 and adjusted for inflation annually.

What is considered a Class 1 railroad?

Class I: A carrier earning revenue greater than $250 million. Class II: A carrier earning revenue between $20 million and $250 million. Class III: A carrier earning revenue less than $20 million.

What are the seven Class 1 railroads?

[2] The seven Class I freight railroads are: BNSF Railway Co., Canadian National Railway (Grand Trunk Corporation), Canadian Pacific (Soo Line Corporation), CSX Transportation, Kansas City Southern Railway Co., Norfolk Southern Combined Railroad Subsidiaries, and Union Pacific Railroad Co.