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Rosslyn tunnel portal
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Metro and CSX tracks in Northeast DC
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Metro D Route pocket track [01]
![Metro D Route pocket track [01]](../../../../i/upload/2024/07/14/20240714235123-98bd274e-cu_s9999x250.jpg "Metro D Route pocket track [01] (2368 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
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Traffic signal in Scott Circle
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Greenbelt interlocking
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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] (1855 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] (2599 visits) Interlocking south of the College Park-University of Maryland station, on the Green Line of the Wash...")
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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] (2642 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
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Interlocking signal at Anacostia station
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Traffic light along M Street NW
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Silver Spring pocket track
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Largo Town Center interlocking
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Signal at Branch Avenue rail yard
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"Darth Vader" railroad signals
!["Darth Vader" railroad signals](../../../../i/upload/2024/07/16/20240716010746-4f791876-cu_s9999x250.jpg "\"Darth Vader\" railroad signals (1797 visits) A grouping of "Darth Vader" vertical color light signals on the CSX Landover subdivision i...")
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Older-style pedestrian crossing signs
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Traffic signal at 15th and G Streets NW
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Traffic signal with yellow aspect open
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Pedestrian signal at 7th Street and Pennsylvania Avenue SE
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Pedestrian signal at 15th and P Streets NW
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Traffic lights outside Greensboro station
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HAWK beacon at 16th and Jonquil Streets NW [01]
![HAWK beacon at 16th and Jonquil Streets NW [01]](../../../../i/upload/2024/07/18/20240718213612-9bd5f770-cu_s9999x250.jpg "HAWK beacon at 16th and Jonquil Streets NW [01] (1894 visits) HAWK beacon at the intersection of 16th and Jonquil Streets NW in Washington, DC. This HAWK beacon ...")
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HAWK beacon at 16th and Jonquil Streets NW [02]
![HAWK beacon at 16th and Jonquil Streets NW [02]](../../../../i/upload/2024/07/18/20240718213616-8216b42d-cu_s9999x250.jpg "HAWK beacon at 16th and Jonquil Streets NW [02] (2043 visits) HAWK beacon at the intersection of 16th and Jonquil Streets NW in Washington, DC. This HAWK beacon ...")
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Traffic signal on 7th Street SW
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7th Street and Independence Avenue SW
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"You must push button to call for walk signal"
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Fire alarm at Shaw-Howard University station [01]
![Fire alarm at Shaw-Howard University station [01]](../../../../i/upload/2025/03/05/20250305020353-34574f7a-cu_s9999x250.jpg "Fire alarm at Shaw-Howard University station [01] (264 visits) Wheelock 34T fire alarm horn in in a back corridor at the Shaw-Howard University Metro station in Wa...")
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Fire alarm at Shaw-Howard University station [02]
![Fire alarm at Shaw-Howard University station [02]](../../../../i/upload/2025/03/05/20250305020401-ed656974-cu_s9999x250.jpg "Fire alarm at Shaw-Howard University station [02] (285 visits) Wheelock 34T fire alarm horn in in a back corridor at the Shaw-Howard University Metro station in Wa...")