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Hampton Roads Bridge-Tunnel, westbound [03]
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Hampton Roads Bridge-Tunnel, westbound [02]
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Sign for Exit 268
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Hampton Roads Bridge-Tunnel, westbound [01]
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Fort McHenry Tunnel, Bore 2
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Chain marker in the snow
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Washington Metro chain marker
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Anarchy sign painted in Cumberland, Maryland pedestrian tunnel
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Red Line tunnel between Metro Center and Gallery Place
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Interstate 264 after Midtown Tunnel [01]
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Interstate 264 after Midtown Tunnel [02]
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Interstate 264 after Midtown Tunnel [04]
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Interstate 264 after Midtown Tunnel [03]
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Kittatinny Mountain Tunnel [09]
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Kittatinny Mountain Tunnel [10]
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Kittatinny Mountain Tunnel [11]
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Kittatinny Mountain Tunnel [12]
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Kittatinny Mountain Tunnel [13]
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Kittatinny Mountain Tunnel [14]
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Vintage New York Subway signage [01]
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Broad Street train at NRG station
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Broad Street train at City Hall station [01]
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Broad Street train at City Hall station [02]
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40th Street trolley portal
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Eastbound platform at Lyon station
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Eastbound platform at Parliament station
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OC Transpo railcar 1106
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"Do not hold the doors" signage