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  2. Baltimore Harbor Tunnel - Wikipedia

    en.wikipedia.org/wiki/Baltimore_Harbor_Tunnel

    The tunnel and approaches were designed by Singstad and Baillie, a New York-based engineering firm specializing in tunnel design, in association with the J. E. Greiner Company, a local Baltimore-based firm. The tunnel was formed out of twenty-one 310-foot-long (94 m) sections individually submerged into a pre-dredged trench in the harbor and ...

  3. Baltimore and Potomac Tunnel - Wikipedia

    en.wikipedia.org/wiki/Baltimore_and_Potomac_Tunnel

    The Baltimore and Potomac Tunnel (or B&P Tunnel) is a double-tracked, masonry arch railroad tunnel on the Northeast Corridor in Baltimore, Maryland, just west of Pennsylvania Station. Opened in 1873, the tunnel is used by about 140 Amtrak and MARC passenger trains and two freight trains every day, as of 2008.

  4. Fort McHenry Tunnel - Wikipedia

    en.wikipedia.org/wiki/Fort_McHenry_Tunnel

    The Fort McHenry Tunnel is a four-tube, bi-directional tunnel that carries traffic on Interstate 95 (I-95) underneath the Baltimore Harbor. Named for nearby Fort McHenry, the tunnel is the lowest point in the Interstate Highway System under water. [2] Construction began in May 1980; the tunnel opened on November 23, 1985.

  5. Union Tunnel (Baltimore) - Wikipedia

    en.wikipedia.org/wiki/Union_Tunnel_(Baltimore)

    The Union Tunnel is a railroad tunnel on Amtrak's Northeast Corridor in Baltimore, Maryland adjacent to Pennsylvania Station that was built to connect the Pennsylvania Railroad's original mainline to Philadelphia, Pennsylvania and points north. The tunnel consists of two parallel bores: the original bore from 1873 has a single track, while a ...

  6. Category:Tunnels in Baltimore - Wikipedia

    en.wikipedia.org/wiki/Category:Tunnels_in_Baltimore

    Pages in category "Tunnels in Baltimore" ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. Hidden tunnel network found at abandoned 800-year-old home in ...

    www.aol.com/news/hidden-tunnel-network-found...

    A section of the hidden tunnel network at the 800-year-old home. Archaeologists also uncovered a water well with a depth of about 40 feet. A photo shows the view into the well.

  8. List of tunnels in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_in_the...

    Baltimore Harbor Tunnel, twin tunnels, Interstate 895 under Patapsco River, Baltimore Borden Tunnel , abandoned rail tunnel, 1911, 957 feet long, Western Maryland Railway north of Frostburg , now part of Great Allegheny Passage rail trail

  9. Elon Musk's Las Vegas tunnel system has a trespassing problem

    www.aol.com/elon-musks-las-vegas-tunnel...

    The tunneling firm wants to expand its Vegas network by building a 68-mile Vegas Loop under the city that would connect the existing tunnels to downtown Las Vegas and the city's international airport.