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Wheelock strobe at Rosslyn Center
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Edwards fire bell in Crystal City Underground
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Rosslyn tunnel portal
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CSX Capital Subdivision tracks
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Silver Spring pocket track
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Signal at Branch Avenue rail yard
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Traffic light at Main Street and Dover Road
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Traffic lights at North Avenue and Fremont Street
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Railroad signals in Cumberland [01]
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Railroad crossing lights at Baltimore Street
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Railroad signals in Cumberland [02]
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Traffic light at Park and Williams Streets [01]
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Traffic light at Park and Williams Streets [02]
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Traffic signal with cameras
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Damaged traffic signal in Evanston, Illinois [01]
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Damaged traffic signal in Evanston, Illinois [02]
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Fire alarm at Staunton Mall [01]
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Cooper Notification (Wheelock) plant [03]
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Cooper Notification (Wheelock) plant [02]
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Cooper Notification (Wheelock) plant [01]
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Traffic light in Bala Cynwyd
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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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Vintage US&S railroad signals [03]
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Vintage US&S railroad signals [04]
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Vintage US&S railroad signals [02]
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Railroad crossing signal at Route 608 [01]
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Vintage US&S railroad signals [01]
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Simulated fire alarm
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Traffic light at Third and Walnut Streets
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Traffic light at Second and Locust Streets [01]
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Traffic light at Second and Locust Streets [02]
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Blinker signals in Ringgold, Maryland [05]
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Blinker signals in Ringgold, Maryland [04]
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Blinker signals in Ringgold, Maryland [03]
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Blinker signals in Ringgold, Maryland [02]
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Blinker signals in Ringgold, Maryland [01]
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Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [01]
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Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [02]
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Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [03]
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Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [04]
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Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [05]
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Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [06]
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Fitting rooms closed at Forever 21
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Windsor will be closed on Thanksgiving
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Fire alarm at Staunton Mall [05]
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Fire alarm at Staunton Mall [02]
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Traffic signals at Atlantic and Brighton Avenues
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Traffic signal at intersection of Arctic and South Mississippi Avenues [01]
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Horizontally-mounted traffic light in Atlantic City [02]
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Traffic signal at intersection of Arctic and South Mississippi Avenues [02]
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Horizontally-mounted traffic light in Atlantic City [03]
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Horizontally-mounted traffic light in Atlantic City [04]
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Horizontally-mounted traffic light in Atlantic City [01]
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Traffic signal at intersection of Arctic and South Mississippi Avenues [03]
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Vintage US&S railroad signals [06]
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Vintage US&S railroad signals [05]
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Vintage US&S railroad signals [07]
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Vintage US&S railroad signals [08]
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Vintage US&S railroad signals [09]
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Norfolk Southern track through Stuarts Draft, Virginia [01]
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Norfolk Southern track through Stuarts Draft, Virginia [02]
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Norfolk Southern track through Stuarts Draft, Virginia [03]
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Norfolk Southern track through Stuarts Draft, Virginia [04]
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Switch at west end of siding in Stuarts Draft, Virginia
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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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Flashing signal at North Church Street and East College Street [02]
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Flashing signal at North Church Street and East College Street [01]
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Railroad crossing at Williams Road [02]
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Railroad crossing at Williams Road [01]
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Horizontal traffic light in use as a blinker [04]
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Horizontal traffic light in use as a blinker [03]
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Horizontal traffic light in use as a blinker [01]
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Horizontal traffic light in use as a blinker [02]
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Signal governing exit to siding in White Sulphur Springs
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Traffic signals over Church Street and Commercial Avenue