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SIGNAL (RED) AHEAD
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Federal Signal Model 5 siren on the Hanover Street Bridge
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Siren along Church Street [01]
![Siren along Church Street [01]](../../../../../i/upload/2025/07/27/20250727084631-10d7901a-cu_s9999x250.jpg "Siren along Church Street [01] (36 visits) A red Federal Signal Thunderbolt 1000 siren along Church Street in Glen Rock, Pennsylvania.
Ben Sch...")
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Siren along Church Street [02]
![Siren along Church Street [02]](../../../../../i/upload/2025/07/27/20250727084707-cf35b60e-cu_s9999x250.jpg "Siren along Church Street [02] (38 visits) A red Federal Signal Thunderbolt 1000 siren along Church Street in Glen Rock, Pennsylvania.
Ben Sch...")