-
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] (2525 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
-
East Falls Church interlocking
-
Largo interlocking
-
Vienna interlocking
-
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] (2853 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
-
Silver Spring pocket track
-
Largo Town Center interlocking
-
Eisenhower Avenue interlocking
-
Acela Express door mode switch
![Acela Express door mode switch](../../i/upload/2024/07/16/20240716231527-66913270-cu_s9999x250.jpg "Acela Express door mode switch (2632 visits) Door mode switch on Acela Express trains. The switch is set in the "open" position.
Ben ...")
-
Edwards fire alarm pull station
-
Interlocking signal at Sheppard-Yonge
-
Buckingham Branch track in downtown Staunton [01]
![Buckingham Branch track in downtown Staunton [01]](../../i/upload/2024/07/19/20240719164202-0ee0831d-cu_s9999x250.jpg "Buckingham Branch track in downtown Staunton [01] (3050 visits) Track for the Buckingham Branch railroad in downtown Staunton, Virginia, on the bridge that carries ...")
-
Buckingham Branch track in downtown Staunton [02]
![Buckingham Branch track in downtown Staunton [02]](../../i/upload/2024/07/19/20240719164207-8c61d1c6-cu_s9999x250.jpg "Buckingham Branch track in downtown Staunton [02] (3097 visits) Track for the Buckingham Branch railroad in downtown Staunton, Virginia, just east of the bridge tha...")
-
Interlocking outside of Ashburn station
-
Manual track switch
-
Tower 18 interlocking [01]
![Tower 18 interlocking [01]](../../i/upload/2024/11/15/20241115185613-f02c209c-cu_s9999x250.jpg "Tower 18 interlocking [01] (9253 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [02]
![Tower 18 interlocking [02]](../../i/upload/2024/11/15/20241115185621-7128aab3-cu_s9999x250.jpg "Tower 18 interlocking [02] (1141 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [03]
![Tower 18 interlocking [03]](../../i/upload/2024/11/15/20241115185626-e65cbb45-cu_s9999x250.jpg "Tower 18 interlocking [03] (2625 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [04]
![Tower 18 interlocking [04]](../../i/upload/2024/11/15/20241115185634-5eee462c-cu_s9999x250.jpg "Tower 18 interlocking [04] (2589 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [05]
![Tower 18 interlocking [05]](../../i/upload/2024/11/15/20241115185641-68b75281-cu_s9999x250.jpg "Tower 18 interlocking [05] (2567 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [06]
![Tower 18 interlocking [06]](../../i/upload/2024/11/15/20241115185651-90db4034-cu_s9999x250.jpg "Tower 18 interlocking [06] (2560 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [07]
![Tower 18 interlocking [07]](../../i/upload/2024/11/15/20241115185705-7174effa-cu_s9999x250.jpg "Tower 18 interlocking [07] (2549 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")
-
Tower 18 interlocking [08]
![Tower 18 interlocking [08]](../../i/upload/2024/11/15/20241115185721-0b59ccae-cu_s9999x250.jpg "Tower 18 interlocking [08] (2639 visits) Tower 18 interlocking, a three-quarter union at the northwestern corner of the Loop in the downtown ...")