1 CSX Transportation Inc., operates the largest railroad in the eastern United States with a 22,000-mile rail network linking commercial markets in 23 states, the District of Columbia, and two Canadian provinces.  UP - Union Pacific Railroad. Union Pacific Railroad is an operating subsidiary of Union Pacific Corporation. It is the largest railroad in North America, operating in the western two-thirds of the United States.
Chief Justice John G. Roberts, Jr., is the 17th Chief Justice of the United States; he has been the incumbent since 2005. All federal court judges, including Supreme Court Jus â¦ tices, are commission for lifetime appointments. The average tenure on the bench is 25.5 years.
Biographies of Current Justices of the Supreme Court. John G. Roberts, Jr., Chief Justice of the United States, was born in Buffalo, New York, January 27, 1955. He married Jane Marie Sullivan in 1996 and they have two children - Josephine and Jack. He received an A.B. from Harvard College in 1976 and a J.D. from Harvard Law School in 1979.