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Edwards fire bell in Crystal City Underground
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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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Sidewalk on 1700 block of Aliceanna Street
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Interlocking signal at 72nd Street on the Second Avenue Subway
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Intersection of US 340 and VA 608 [01]
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Intersection of US 340 and VA 608 [02]
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US 340 south in Stuarts Draft
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West Main Street in Waynesboro, Virginia [02]
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West Main Street in Waynesboro, Virginia [01]
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West Main Street in Waynesboro, Virginia [03]
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Federal Signal Modulator in Atlantic City [01]
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Federal Signal Modulator in Atlantic City [02]
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Federal Signal Modulator in Atlantic City [03]
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Federal Signal Modulator in Atlantic City [04]
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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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Traffic signal at Sansom and Broad Streets
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Union Switch & Signal builder's plate
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Railroad signal with button copy [04]
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Railroad signal with button copy [03]
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Railroad signal with button copy [02]
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Railroad signal with button copy [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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"NO LEFT TURN" sign printed over "DO NOT ENTER" sign
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Federal Signal Model 5 siren on the Hanover Street Bridge
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Overheight warning bell on US 321
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Traffic light at 7th Avenue and West 26th Street [01]
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Traffic light at 7th Avenue and West 26th Street [02]
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"HATE BOOK" sticker on pedestrian signal call button
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"Live, love, laugh" on traffic signal control box
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Traffic light at 7th Avenue and West 24th Street
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"Messiah is here!"
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Fire alarm strobe at Fulton Street station
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Traffic signal at Fulton and Jay Streets [01]
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Traffic signal at Boerum Place and Livingston Street [02]
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Traffic signal at Willoughby and Bridge Streets
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Traffic signal at Willoughby and Jay Streets
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Traffic signal at Fulton and Jay Streets [02]
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Signage on a mast arm at Willoughby and Jay Streets
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Traffic signal at Boerum Place and Livingston Street [01]
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Traffic signal at Fulton and Jay Streets [03]
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Red Wheelock RSS strobe at New York Transit Museum
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Court Street interlocking board
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Traffic signal at Boerum Place and Livingston Street [03]
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Traffic signal at Lexington Avenue and East 41st Street
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Fire alarm strobe in the basement of the Cathedral of Learning [01]
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Fire alarm strobe in the basement of the Cathedral of Learning [02]
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Fire alarm strobe in the basement of the Cathedral of Learning [03]
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Fire alarm speaker/strobe at Cathedral of Learning [01]
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Fire alarm speaker/strobe at Cathedral of Learning [02]
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Fire alarm horn at Webster Towers
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Traffic signal at Fifth and Tennyson Avenues [01]
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Traffic signal at Fifth and Tennyson Avenues [02]