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.
Chief Justice Ralph D. Gants. Ralph D. Gants is the Chief Justice of the Supreme Judicial Court. Chief Justice Gants was appointed as an Associate Justice of the Superior Court in 1997 by Governor William Weld. Governor Deval Patrick first appointed him as a Justice to the Supreme Judicial Court in January 2009. In 2014, he was appointed as the thirty-seventh Chief Justice by Governor Patrick and was sworn in on July 28.