Capital Subdivision Capital Subdivision The Capital Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland and the District of Columbia. The line runs from near Baltimore, Maryland southwest to Washington, D.C. along the former Baltimore and Ohio Rail Road (B&O) Washington Branch. The subdivision's Alexandria Extension provides a connection to Virginia and points south. The northeast end of the line is at Halethorpe, Maryland, just north of the historic Thomas Viaduct, where it meets the Baltimore Terminal Subdivision and the Old Main Line Subdivision. Its southwest end is at the yard north of Union
Xfinity Center (College Park, Maryland) in the state of Maryland, it is the second-largest arena in the Washington, D.C. metropolitan area by seating capacity, just behind Capital One Arena in Washington, D.C., which has an official seating capacity of roughly 500 more than Xfinity Center. The facility is also used for concerts, graduation ceremonies including those for the University of Maryland, state high school basketball tournaments, and other special events. Concert seating capacity is nearly 19,000. In addition to the main basketball court, Xfinity Center also features a 1,500-seat gymnasium for volleyball, gymnastics, and wrestling; a 7,000-square-foot academic support center for student-athletes; Heritage Hall, a