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Rosslyn tunnel portal
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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] (1877 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] (2622 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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Interlocking signal at Anacostia station
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Traffic lights outside Greensboro station
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Halethorpe MARC station [01]
![Halethorpe MARC station [01]](../../../i/upload/2024/07/18/20240718213543-f424dc01-cu_s9999x250.jpg "Halethorpe MARC station [01] (1677 visits) Halethorpe, a station on the MARC Penn Line in Baltimore County, Maryland.
Ben Schumin is a profess...")
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Halethorpe MARC station [02]
![Halethorpe MARC station [02]](../../../i/upload/2024/07/18/20240718213546-29a94f5b-cu_s9999x250.jpg "Halethorpe MARC station [02] (1706 visits) Halethorpe, a station on the MARC Penn Line in Baltimore County, Maryland.
Ben Schumin is a profess...")
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Interlocking signal at Sheppard-Yonge
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Interlocking signal at 72nd Street on the Second Avenue Subway
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Signal governing exit to siding in White Sulphur Springs
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Buc-ee's in Crossville, Tennessee [39]
![Buc-ee's in Crossville, Tennessee [39]](../../../i/upload/2024/07/20/20240720113817-df81661b-cu_s9999x250.jpg "Buc-ee's in Crossville, Tennessee [39] (10359 visits) Buc-ee's store in Crossville, Tennessee. Buc-ee's is a Texas-based chain of travel centers that was...")
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Fire alarm at Trenton Park & Ride [02]
![Fire alarm at Trenton Park & Ride [02]](../../../i/upload/2024/07/20/20240720143325-49285516-cu_s9999x250.jpg "Fire alarm at Trenton Park & Ride [02] (2001 visits) System Sensor MA/SS-24 fire alarm horn/strobe at the Trenton Park & Ride, located adjacent to th...")
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Fire alarm at Trenton Park & Ride [01]
![Fire alarm at Trenton Park & Ride [01]](../../../i/upload/2024/07/20/20240720143334-b0f55a6d-cu_s9999x250.jpg "Fire alarm at Trenton Park & Ride [01] (2008 visits) System Sensor MA/SS-24 fire alarm horn/strobe at the Trenton Park & Ride, located adjacent to th...")
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Fire alarm strobe at Fulton Street station
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Red Wheelock RSS strobe at New York Transit Museum
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Signal FT8 at 15th Street station
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View west from Roosevelt platform
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View east from Roosevelt platform
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CTA signal A59 at Jackson station [01]
![CTA signal A59 at Jackson station [01]](../../../i/upload/2024/11/13/20241113234023-75426ee0-cu_s9999x250.jpg "CTA signal A59 at Jackson station [01] (882 visits) Signal A59 shows a green aspect at Jackson, a station on the CTA Red Line in Chicago, Illinois.
Mor...")
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CTA signal A59 at Jackson station [02]
![CTA signal A59 at Jackson station [02]](../../../i/upload/2024/11/13/20241113234044-b800d5a0-cu_s9999x250.jpg "CTA signal A59 at Jackson station [02] (774 visits) Signal A59 shows a green aspect at Jackson, a station on the CTA Red Line in Chicago, Illinois.
Mor...")
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Signal X-238 at East 55th Street station
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Route selector box at East 55th Street station
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Sirens at Easton Volunteer Fire Department [01]
![Sirens at Easton Volunteer Fire Department [01]](../../../i/upload/2025/02/16/20250216092233-42eae054-cu_s9999x250.jpg "Sirens at Easton Volunteer Fire Department [01] (862 visits) A Federal Signal Thunderbolt 1003 siren on the property of Easton Volunteer Fire Department in Easto...")
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Sirens at Easton Volunteer Fire Department [02]
![Sirens at Easton Volunteer Fire Department [02]](../../../i/upload/2025/02/16/20250216092246-6e4740d5-cu_s9999x250.jpg "Sirens at Easton Volunteer Fire Department [02] (879 visits) A Federal Signal Thunderbolt 1003 and Fedelcode Model 3 siren on the property of Easton Volunteer Fi...")
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Sirens at Easton Volunteer Fire Department [03]
![Sirens at Easton Volunteer Fire Department [03]](../../../i/upload/2025/02/16/20250216092258-17226c32-cu_s9999x250.jpg "Sirens at Easton Volunteer Fire Department [03] (861 visits) A Fedelcode Model 3 siren on the property of Easton Volunteer Fire Department in Easton, Maryland.
...")
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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] (284 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] (306 visits) Wheelock 34T fire alarm horn in in a back corridor at the Shaw-Howard University Metro station in Wa...")