WMATA Metrorail Yards & Shops Greenbelt Shop, May 5, 2003 Greenbelt Shop, May 5, 2003 Greenbelt Shop, May 5, 2003 Greenbelt Shop, May 5, 2003 Greenbelt Shop, May 5, 2003 Train on the loop track in Shady Grove Yard, March 22, 2004 Shady Grove Yard, March 22, 2004 Shady Grove Yard, March 22, 2004