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College Park interlocking [01]
![College Park interlocking [01]](../../../../i/upload/2024/07/15/20240715141119-0c23af03-cu_s9999x250.jpg "College Park interlocking [01] (2280 visits) Interlocking south of the College Park-University of Maryland station, on the Green Line of the Wash...")
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College Park interlocking [02]
![College Park interlocking [02]](../../../../i/upload/2024/07/15/20240715141123-5fa6adc8-cu_s9999x250.jpg "College Park interlocking [02] (2984 visits) Interlocking south of the College Park-University of Maryland station, on the Green Line of the Wash...")
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CSX Capital Subdivision tracks
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CSX high rail truck at Greenbelt
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Dupont Circle station entrance pylon
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East Falls Church interlocking
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Emergency number sign at Greenbelt MARC station
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Green Line at University Blvd.
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Green Line train entering tunnel portal
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Greenbelt interlocking
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Largo interlocking
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Marker coil at National Airport station
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Metro D Route pocket track [02]
![Metro D Route pocket track [02]](../../../../i/upload/2024/07/15/20240715141423-2fe25243-cu_s9999x250.jpg "Metro D Route pocket track [02] (3256 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
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New Carrollton rail yard
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Partially completed bridge pier
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Short section of track in cages
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Tracks descending into a tunnel
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Tunnel portal north of West Hyattsville station
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Tunnel portal outside Addison Road station
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Vienna interlocking
