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Green Line train entering tunnel portal
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Tunnel portal north of West Hyattsville station
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Tuscarora Mountain Tunnel western portal
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Kittatinny Mountain Tunnel [02]
![Kittatinny Mountain Tunnel [02]](../../i/upload/2024/07/15/20240715141344-fd6f497d-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [02] (2795 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [01]
![Kittatinny Mountain Tunnel [01]](../../i/upload/2024/07/15/20240715141346-ee46943a-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [01] (2695 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Western portal of Blue Mountain Tunnel
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Tunnel portal outside Addison Road station
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Winchester and Potomac Railroad Bridge [01]
![Winchester and Potomac Railroad Bridge [01]](../../i/upload/2024/07/17/20240717230005-0dbdd68e-cu_s9999x250.jpg "Winchester and Potomac Railroad Bridge [01] (3599 visits) The Winchester and Potomac Railroad Bridge, now operated by CSX Transportation, which carries the CS...")
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Winchester and Potomac Railroad Bridge [02]
![Winchester and Potomac Railroad Bridge [02]](../../i/upload/2024/07/17/20240717230009-a3433d63-cu_s9999x250.jpg "Winchester and Potomac Railroad Bridge [02] (3418 visits) The Winchester and Potomac Railroad Bridge, now operated by CSX Transportation, which carries the CS...")
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Winchester and Potomac Railroad Bridge [03]
![Winchester and Potomac Railroad Bridge [03]](../../i/upload/2024/07/17/20240717230012-c7d0b2e5-cu_s9999x250.jpg "Winchester and Potomac Railroad Bridge [03] (3952 visits) The Winchester and Potomac Railroad Bridge, now operated by CSX Transportation, which carries the CS...")
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Winchester and Potomac Railroad Bridge [04]
![Winchester and Potomac Railroad Bridge [04]](../../i/upload/2024/07/17/20240717230101-0e89deb5-cu_s9999x250.jpg "Winchester and Potomac Railroad Bridge [04] (3655 visits) The Winchester and Potomac Railroad Bridge, now operated by CSX Transportation, which carries the CS...")
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Freight train on CSX Cumberland Subdivision track
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Harpers Ferry tunnel portal
Pedestrian walkway on CSX Cumberland Subdivision bridge
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DC-Maryland border
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Monitor-Merrimac Memorial Bridge-Tunnel
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Interstate 264 after Midtown Tunnel [01]
![Interstate 264 after Midtown Tunnel [01]](../../i/upload/2024/07/19/20240719101939-87dbaa40-cu_s9999x250.jpg "Interstate 264 after Midtown Tunnel [01] (1223 visits) Interstate 264 westbound in Portsmouth, Virginia, just after traffic exits the Midtown Tunnel.
More...")
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Interstate 264 after Midtown Tunnel [02]
![Interstate 264 after Midtown Tunnel [02]](../../i/upload/2024/07/19/20240719101945-e18e6752-cu_s9999x250.jpg "Interstate 264 after Midtown Tunnel [02] (928 visits) Interstate 264 westbound in Portsmouth, Virginia, just after traffic exits the Midtown Tunnel.
More...")
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Interstate 264 after Midtown Tunnel [04]
![Interstate 264 after Midtown Tunnel [04]](../../i/upload/2024/07/19/20240719102003-a91bfec6-cu_s9999x250.jpg "Interstate 264 after Midtown Tunnel [04] (2541 visits) Interstate 264 westbound in Portsmouth, Virginia, just after traffic exits the Midtown Tunnel.
More...")
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Interstate 264 after Midtown Tunnel [03]
![Interstate 264 after Midtown Tunnel [03]](../../i/upload/2024/07/19/20240719102008-7fa5c14e-cu_s9999x250.jpg "Interstate 264 after Midtown Tunnel [03] (2375 visits) Interstate 264 westbound in Portsmouth, Virginia, just after traffic exits the Midtown Tunnel.
More...")
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Charlottesville Community Chalkboard, October 15, 2020 [30]
![Charlottesville Community Chalkboard, October 15, 2020 [30]](../../i/upload/2024/07/19/20240719115804-07b97b14-cu_s9999x250.jpg "Charlottesville Community Chalkboard, October 15, 2020 [30] (1214 visits) "The Cake is a LIE", a reference to the Portal video game, written on the Community Chalkb...")
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Ilchester Tunnel [01]
![Ilchester Tunnel [01]](../../i/upload/2024/07/19/20240719171206-bfb470a0-cu_s9999x250.jpg "Ilchester Tunnel [01] (9649 visits) The Ilchester Tunnel, on the east side of the Patapsco River in Howard County, Maryland.
More at Th...")
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Ilchester Railroad Bridge [01]
![Ilchester Railroad Bridge [01]](../../i/upload/2024/07/19/20240719171317-511bfe1f-cu_s9999x250.jpg "Ilchester Railroad Bridge [01] (2732 visits) The Ilchester Railroad Bridge, spanning the Patapsco River in Howard County, Maryland, now part of t...")
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Ilchester Tunnel [02]
![Ilchester Tunnel [02]](../../i/upload/2024/07/19/20240719171337-3e2231cb-cu_s9999x250.jpg "Ilchester Tunnel [02] (9772 visits) The Ilchester Tunnel, on the east side of the Patapsco River in Howard County, Maryland.
More at Th...")
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Selfie at Kittatinny Mountain
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Kittatinny Mountain Tunnel [03]
![Kittatinny Mountain Tunnel [03]](../../i/upload/2024/07/20/20240720102210-1e245d53-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [03] (1320 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Elyse smiles on a bridge overlooking the Kittatinny Mountain Tunnel
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Kittatinny Mountain Tunnel [04]
![Kittatinny Mountain Tunnel [04]](../../i/upload/2024/07/20/20240720102225-f2edfb5a-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [04] (1415 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Elyse photographs a streetlight [01]
![Elyse photographs a streetlight [01]](../../i/upload/2024/07/20/20240720102230-4df6b1d1-cu_s9999x250.jpg "Elyse photographs a streetlight [01] (1572 visits) Elyse Horvath photographs a large streetlight in use for the Pennsylvania Turnpike, from the Pennsyl...")
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Elyse photographs a streetlight [02]
![Elyse photographs a streetlight [02]](../../i/upload/2024/07/20/20240720102234-acb49870-cu_s9999x250.jpg "Elyse photographs a streetlight [02] (1520 visits) Elyse Horvath photographs a large streetlight in use for the Pennsylvania Turnpike, from the Pennsyl...")
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Kittatinny Mountain Tunnel [05]
![Kittatinny Mountain Tunnel [05]](../../i/upload/2024/07/20/20240720102239-7644ec1a-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [05] (1720 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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DJI Air 2S prior to a flight in Pennsylvania
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Kittatinny Mountain Tunnel [06]
![Kittatinny Mountain Tunnel [06]](../../i/upload/2024/07/20/20240720102249-2fe63f95-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [06] (1397 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [07]
![Kittatinny Mountain Tunnel [07]](../../i/upload/2024/07/20/20240720102256-e9b7aaa5-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [07] (1518 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Pennsylvania Route 641 at the turnpike
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Kittatinny Mountain Tunnel [08]
![Kittatinny Mountain Tunnel [08]](../../i/upload/2024/07/20/20240720102306-dad79f35-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [08] (1421 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [09]
![Kittatinny Mountain Tunnel [09]](../../i/upload/2024/07/20/20240720102312-c3ed2d2f-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [09] (2814 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [10]
![Kittatinny Mountain Tunnel [10]](../../i/upload/2024/07/20/20240720102317-bf9bd256-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [10] (2719 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [11]
![Kittatinny Mountain Tunnel [11]](../../i/upload/2024/07/20/20240720102323-aa8d9486-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [11] (1535 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [12]
![Kittatinny Mountain Tunnel [12]](../../i/upload/2024/07/20/20240720102328-3066fc7e-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [12] (1698 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [13]
![Kittatinny Mountain Tunnel [13]](../../i/upload/2024/07/20/20240720102334-63cec78b-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [13] (2822 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [14]
![Kittatinny Mountain Tunnel [14]](../../i/upload/2024/07/20/20240720102340-cf1e7d42-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [14] (2853 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Kittatinny Mountain Tunnel [15]
![Kittatinny Mountain Tunnel [15]](../../i/upload/2024/07/20/20240720102345-bcd8a54f-cu_s9999x250.jpg "Kittatinny Mountain Tunnel [15] (2918 visits) Western portal of the Kittatinny Mountain Tunnel, one of four tunnels on the Pennsylvania Turnpike m...")
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Blue Ridge Tunnel [15]
![Blue Ridge Tunnel [15]](../../i/upload/2024/07/20/20240720144651-6fd9392c-cu_s9999x250.jpg "Blue Ridge Tunnel [15] (10947 visits) Tripod and camera set up at the western portal of the Blue Ridge Tunnel, an historic railroad tunnel...")
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Blue Ridge Tunnel [03]
![Blue Ridge Tunnel [03]](../../i/upload/2024/07/20/20240720144728-9e74f1bb-cu_s9999x250.jpg "Blue Ridge Tunnel [03] (2602 visits) Eastern portal of the Blue Ridge Tunnel, an historic railroad tunnel that carried rail traffic under...")
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Blue Ridge Tunnel [02]
![Blue Ridge Tunnel [02]](../../i/upload/2024/07/20/20240720144734-129eb4a4-cu_s9999x250.jpg "Blue Ridge Tunnel [02] (2570 visits) Eastern portal of the Blue Ridge Tunnel, an historic railroad tunnel that carried rail traffic under...")
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Blue Ridge Tunnel [14]
![Blue Ridge Tunnel [14]](../../i/upload/2024/07/20/20240720144751-ae0e4ca1-cu_s9999x250.jpg "Blue Ridge Tunnel [14] (2804 visits) Western portal of the Blue Ridge Tunnel, an historic railroad tunnel that carried rail traffic under...")
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Blue Ridge Tunnel [01]
![Blue Ridge Tunnel [01]](../../i/upload/2024/07/20/20240720144812-60655c76-cu_s9999x250.jpg "Blue Ridge Tunnel [01] (2662 visits) Eastern portal of the Blue Ridge Tunnel, an historic railroad tunnel that carried rail traffic under...")
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Blue Ridge Tunnel [16]
![Blue Ridge Tunnel [16]](../../i/upload/2024/07/20/20240720144824-fe9d4abd-cu_s9999x250.jpg "Blue Ridge Tunnel [16] (11143 visits) Tripod and camera set up at the western portal of the Blue Ridge Tunnel, an historic railroad tunnel...")
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40th Street trolley portal
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Monitor-Merrimac Memorial Bridge-Tunnel [01]
![Monitor-Merrimac Memorial Bridge-Tunnel [01]](../../i/upload/2025/02/18/20250218235632-5aef878d-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [01] (6 visits) North portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [02]
![Monitor-Merrimac Memorial Bridge-Tunnel [02]](../../i/upload/2025/02/18/20250218235637-581fbcca-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [02] (7 visits) North portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [03]
![Monitor-Merrimac Memorial Bridge-Tunnel [03]](../../i/upload/2025/02/18/20250218235642-270961d8-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [03] (6 visits) North portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [04]
![Monitor-Merrimac Memorial Bridge-Tunnel [04]](../../i/upload/2025/02/18/20250218235648-fca8ade5-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [04] (6 visits) North portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [05]
![Monitor-Merrimac Memorial Bridge-Tunnel [05]](../../i/upload/2025/02/18/20250218235653-19c3fdef-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [05] (10 visits) North portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [06]
![Monitor-Merrimac Memorial Bridge-Tunnel [06]](../../i/upload/2025/02/18/20250218235658-5bb810e5-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [06] (5 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [07]
![Monitor-Merrimac Memorial Bridge-Tunnel [07]](../../i/upload/2025/02/18/20250218235704-55afa576-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [07] (6 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [08]
![Monitor-Merrimac Memorial Bridge-Tunnel [08]](../../i/upload/2025/02/18/20250218235709-560750da-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [08] (5 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [09]
![Monitor-Merrimac Memorial Bridge-Tunnel [09]](../../i/upload/2025/02/18/20250218235714-45502513-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [09] (5 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [10]
![Monitor-Merrimac Memorial Bridge-Tunnel [10]](../../i/upload/2025/02/18/20250218235719-11c76977-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [10] (6 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [11]
![Monitor-Merrimac Memorial Bridge-Tunnel [11]](../../i/upload/2025/02/18/20250218235725-ef9b2fb8-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [11] (6 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")
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Monitor-Merrimac Memorial Bridge-Tunnel [12]
![Monitor-Merrimac Memorial Bridge-Tunnel [12]](../../i/upload/2025/02/18/20250218235731-5172cc89-cu_s9999x250.jpg "Monitor-Merrimac Memorial Bridge-Tunnel [12] (11 visits) South portal island of the Monitor-Merrimac Memorial Bridge-Tunnel, a 4.6 mile long crossing of Hamp...")