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Wheelock 7002 at Miller Hall
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Metro and CSX tracks in Northeast DC
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Metro D Route pocket track [01]
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CSX Capital Subdivision tracks
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Interlocking signal at Anacostia station
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Mircom Fire Alarm horn/strobe
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Woman riding motorcycle
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Traffic light in Bala Cynwyd
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Pedestrian signal call button
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Wheelock 7002T at 18310 Montgomery Village Avenue [01]
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Wheelock 7002T at 18310 Montgomery Village Avenue [02]
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Wheelock fire alarm bell at 18310 Montgomery Village Avenue
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Simulated fire alarm
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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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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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"You must push button to call for walk signal"
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Belfast Fire Department siren [01]
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Flashing signal at North Church Street and East College Street [02]
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Flashing signal at North Church Street and East College Street [01]
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Belfast Fire Department siren [02]
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Siren at El-Roy Volunteer Fire Department
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Siren at Wyse Fork Volunteer Fire Department
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Railroad crossing at Williams Road [02]
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Railroad crossing at Williams Road [01]
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Water tower with siren in Emporia, Virginia [01]
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Amtrak Carolinian near Halifax, North Carolina
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Water tower with siren in Emporia, Virginia [02]
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Water tower with siren in Emporia, Virginia [03]
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Upper level exhibit space at Nauticus
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Siren at 1300 West Broad Street [02]
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Traffic signal at 4th and West Street
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Overheight warning bell on US 321
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Buc-ee's in Crossville, Tennessee [39]
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Traffic signal at Locust Street and Clinch Avenue
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Traffic signals at Clinch Avenue and Henley Street
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620 South Gay Street
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Traffic signals on State Street