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Metro tunnel under South Hayes Street
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Crystal City station
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Pentagon City station, viewed from a low angle [02]
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Pentagon City station, viewed from a low angle [01]
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Pentagon City station [01]
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Yellow Line train to Franconia-Springfield
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Blue Line train to Rosslyn [02]
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PIDS screen at Pentagon City
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Blue Line train to Franconia-Springfield
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Installation of new PA system at Pentagon City
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New public address speaker at Pentagon City [01]
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New public address speaker at Pentagon City [02]
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Pentagon City station, November 2006 [04]
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Pentagon City station, November 2006 [03]
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Pentagon City station, November 2006 [02]
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Pentagon City station, November 2006 [01]
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Pentagon City station, November 2006 [05]
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Pentagon City station, November 2006 [06]
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Pentagon City station, November 2006 [07]
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Pentagon City station, November 2006 [08]
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Decommissioned Gamewell fire alarm box [01]
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Decommissioned Gamewell fire alarm box [02]
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Blue Line train at Pentagon City [03]
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Yellow Line train at Pentagon City [02]
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Pentagon City station [08]
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Blue Line train at Pentagon City [02]
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Yellow Line train at Pentagon City [01]
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Pentagon City station [06]
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Blue Line train at Pentagon City [01]
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Pentagon City station [07]
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"Closed due to COVID-19"
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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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Flood warning system in downtown Ellicott City [02]
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Flood warning system in downtown Ellicott City [03]
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Flood warning system in downtown Ellicott City [01]
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Federal Signal Model 5 siren on the Hanover Street Bridge
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Ceiling-mounted speaker/strobe with "ALERT" lettering
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Vintage New York Subway signage [01]
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Fire alarm at the New York Transit Museum
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Vintage fire alarm call box at New York Transit Museum
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Red Wheelock RSS strobe at New York Transit Museum
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RTA railcar 827 at Tower City
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RTA railcar 199 at Tower City [01]
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RTA railcar 199 at Tower City [02]
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Lighted wall signage at Tower City station
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Elevator to RTA at Tower City Center