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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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Signal at Branch Avenue rail yard
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Buc-ee's in Crossville, Tennessee [39]
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East Main Street and Court Street
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Traffic signals in Derwood, Maryland [02]
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Red Wheelock RSS strobe at New York Transit Museum
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Exterior alarm horn at Shiloh Public School [03]
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Exterior alarm horn at Shiloh Public School [02]
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Exterior alarm horn at Shiloh Public School [01]
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Right turn signal at Main Street and Green Lane [02]
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Wheelock MT horn
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Trafflc signals over Bluestone Drive and Duke Drive [03]
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Trafflc signals over Bluestone Drive and Duke Drive [01]
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Traffic and pedestrian signals at East Johnson Street and South New Street
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Trafflc signals over Bluestone Drive and Duke Drive [02]
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Traffic signals in Philadelphia
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Traffic lights outside Greensboro station
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Wheelock 7002 at Miller Hall
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Traffic signal at Elgin and Somerset Streets [05]
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Traffic signal at Elgin and Somerset Streets [04]
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SpectrAlert fire alarm horn/strobe at Benjamin Franklin Middle School
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Photographing a fire alarm
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Fire alarm strobe at Home Depot in Harrisonburg
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Standard 4-350 horn with Space Age AV32 light plate
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Traffic signal at Elgin and Somerset Streets [02]
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Traffic signal at Elgin and Somerset Streets [03]
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Intersection of Boulevard Maloney and Boulevard de la Cité [02]
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Intersection of Boulevard Maloney and Boulevard de la Cité [01]
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Intersection of Boulevard Maloney and Boulevard de la Cité [03]
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"NO LEFT TURN" sign printed over "DO NOT ENTER" sign
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Traffic signal at Elgin and Somerset Streets [01]
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Fire alarm at Staunton Mall [05]
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Silver Spring pocket track
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Montreal Road eastbound from North River Road
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Intersection of John and Front Streets
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Traffic signal at Fulton and Jay Streets [02]
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Traffic light at Montreal Road and North River Road
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Traffic signal at intersection of Metcalfe Street and Laurier Avenue West [01]
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Traffic signal at Fulton and Jay Streets [01]
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Traffic signal at Locust Street and Clinch Avenue
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"Live, love, laugh" on traffic signal control box
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Fire alarm at Staunton Mall [02]
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Fire alarm speaker/strobe at Cathedral of Learning [02]
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Right turn signal at Main Street and Green Lane [03]
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Right turn signal at Main Street and Green Lane [01]
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Fire alarm speaker/strobe at Cathedral of Learning [01]
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SIGNAL (RED) AHEAD
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Wheelock 7002 at a Comfort Inn [01]
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Traffic signal at Willoughby and Jay Streets
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Wheelock 7002 at a Comfort Inn [02]
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Traffic signals on State Street
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Fire alarm strobe at Fulton Street station
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Signal FT8 at 15th Street station
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Damaged traffic signal in Evanston, Illinois [02]
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Damaged traffic signal in Evanston, Illinois [01]
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Wheelock 7002T with projector device
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Traffic signal at Fifth and Tennyson Avenues [01]
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Traffic signal at Fifth and Tennyson Avenues [02]
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Traffic signal at intersection of Arctic and South Mississippi Avenues [01]
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Traffic signal with yellow aspect open
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Wheelock strobe at Rosslyn Center
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Fire alarm at Staunton Mall [01]
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Traffic light at Main Street and Dover Road
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Directional signage at the end of the ramp for Interstate 64, Exit 99 at Rockfish Gap
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Traffic signal in Scott Circle
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Traffic signal at 15th and G Streets NW
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Traffic light in Bala Cynwyd
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Horizontal traffic light in use as a blinker [04]
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Railroad signal with button copy [04]
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Wheelock 7002T at 18310 Montgomery Village Avenue [02]
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Railroad signal with button copy [01]
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Wheelock 7002T at 18310 Montgomery Village Avenue [01]
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Fire alarm horn/strobe at Barnes & Noble in Charlottesville, Virginia
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Railroad signal and crossbuck [03]
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Railroad signal with button copy [03]
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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 [02]
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HAWK beacon at 16th and Jonquil Streets NW [02]