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East Falls Church interlocking
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Largo interlocking
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Vienna interlocking
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Metro D Route pocket track [02]
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Eight-car clearance marker
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Six-car clearance marker
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Railroad crossbuck
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Railroad crossing signal at Route 608 [02]
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Railroad crossing signal at Route 608 [03]
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Railroad crossing signal at Route 608 [01]
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Vintage railroad crossbuck [08]
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Vintage railroad crossbuck [07]
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Maryland Midland Railway track
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Vintage railroad crossbuck [06]
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Vintage railroad crossbuck [05]
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Vintage railroad crossbuck [04]
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Vintage railroad crossbuck [03]
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Vintage railroad crossbuck [02]
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Vintage railroad crossbuck [01]
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Vintage railroad crossbuck
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Interlocking outside of Ashburn station
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Rail crossing at South Maple Avenue [03]
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Rail crossing at South Maple Avenue [04]
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Rail crossing at South Maple Avenue [01]
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Rail crossing at South Maple Avenue [05]
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Rail crossing at South Maple Avenue [02]
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Railroad signal and crossbuck [03]
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Railroad signal and crossbuck [02]
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Railroad signal and crossbuck [01]
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Crossbuck with bent arm