Historical clue formulations

• It served the Mid-Atlantic until 1976 — 2007-10-27
• Noted 19th- and 20th-century coal hauler — 2003-04-28
• It costs $200 in play money — 2002-03-22
• Monopoly space — 2001-10-08
• Oriental Avenue neighbor, in Monopoly — 1999-05-17