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.
The Supreme Court of the United States is the highest judicial body in the United States. Its membership consists of the Chief Justice of the United States and eight associate justices. The justices are nominated by the President of the United States and appointed after confirmation by the United States Senate.Justices of the Supreme Court have life tenure and receive a salary which is set at $255,500 per year for the chief justice and at $244,400 per year for each associate justice as of 2014.On August 7, 2010, Justice Elena Kagan became the 112th justice to serve on the Court.he Supreme Court was created in 1789 by Article III of the United States Constitution, which stipulates that the judicial Power of the United States, shall be vested in one supreme Court together with any lower courts Congress may establish.