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.
Place 1. Nathan L. Hecht is the 27th Chief Justice of the Supreme Court of Texas. He has been elected to the Court six times, first in 1988 as a Justice, and most recently in 2014 as Chief Justice. He is the longest-serving Member of the Court in Texas history and the senior Texas appellate judge in active service.