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Chesapeake Bay Bridge & Tunnel Control Panel (Front)65 views
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Chesapeake Bay Bridge & Tunnel Control Panel (Back)57 views
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Garage Call Light Fixture (closed) (Chesapeake Bay Bridge & Tunnel)59 views
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Garage Call Light Fixture (open) (Chesapeake Bay Bridge & Tunnel)53 views
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Tractor Call Station (Chesapeake Bay Bridge & Tunnel)56 views
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Tractor Call Station (Chesapeake Bay Bridge & Tunnel)48 views
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Traffic Signal Fixture (Chesapeake Bay Bridge & Tunnel)53 views
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Traffic Signal Fixture (Chesapeake Bay Bridge & Tunnel)48 views
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Traffic Signal Fixture (Chesapeake Bay Bridge & Tunnel) (Front)55 views
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Traffic Signal Fixture (Chesapeake Bay Bridge & Tunnel) (Back)51 views
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Tunnel Call Light Fixture (Chesapeake Bay Bridge & Tunnel) (Closed)52 views
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Tunnel Call Light Fixture (Chesapeake Bay Bridge & Tunnel) (Open)53 views
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Traffic Call Control Station (Chesapeake Bay Bridge & Tunnel) (Front)55 views
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Traffic Call Control Station (Chesapeake Bay Bridge & Tunnel) (Back)56 views
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Trial sign for highway traffic control on Penna. turnpike66 views
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Trial sign for highway traffic control on Penna. turnpike61 views
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Trial sign for highway traffic control on Penna. turnpike62 views
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Panel removed to show mechanism in highway traffic control sign for Penna. turnpike72 views
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