double fare both upon entering and exiting the World's Fair subway station. The exhibit is designed to be interactive and to be viewed in conjunction with a large board that details the history of fare payment in the subway. Most of the turnstiles can be walked through by visitors wishing to do so. Rolling stock Most of the subway cars in the Transit Museum's fleet are operable, and they are frequently used for subway excursions run by the museum and New York City Transit on various parts of the system. The subway cars are fully furnished with vintage advertising placards and route maps, completing the period atmosphere inside the vehicles. Tickets for Transit Museum excursions (called "Nostalgia Trains") are sold in advance. Some New York City Transit special trains (such as Holiday specials at the end of most years, and Yankee/Met specials) are available for anyone to ride, so long as they have paid the regular subway fare. In addition to the subway cars displayed in the Transit Museum, there are also a number of museum cars that are kept off-site in various subway yards and shops while awaiting restoration, undergoing restoration, or in storage. The following cars are displayed in the museum : Track A1: R6 #1300 R4 #484 R7A #1575 R11 #8013 R42 #4572–4573 (used in the 1971 film The French Connection) BRT AB Standard #2204 R30 #8506 R44 #5240 Track A2 BRT BU Gated El Cars #1404, 1273, 1407 R33S #9306, 9310 R12 #5760 R15 #6239 BMT Q-Type El Car #1612C IRT Lo-V #4902 Long Island Rail Road Caboose #C-60 SBK Steeplecab #5 R3 Pump Car #56 There are many cars not on display, but rather, are used on special fan excursions and other events. Most are based at 207 Street or Coney Island Yard. The rolling stock not on display include: SBK Steeplecab 6, 7 Diesel Locomotive 10 IRT World's Fair Lo-V #5655 BMT D-Type Triplex #6019A-B-C, 6095A-B-C, 6112A-B-C R1 #100 R10 #3189 (former Road Car Inspector School Training Car used at Pitkin Yard, 1984–2007) R12 #5782 (former Fire Department Training Car used at Coney Island Yard) R14 #5871 (former Fire Department Training Car used at Coney Island Yard) R16 #6387 R17 #6609 (used in the 1971 film The French Connection) R26 #7774–7775 R28 #7924–7925 R29 #8678–8679 R32 #3352–3353 (Rebuilt as Phase II) R33 #9010–9011, 9016–9017, 9068–9069, 9206–9207 (part of the Train of Many Colors excursion