List of tunnels documented by the Historic American Engineering Record in Maryland

This is a list of tunnels documented by the Historic American Engineering Record in the U.S. state of Maryland.[1]

Tunnels
Survey No. Name (as assigned by HAER) Built Documented Carries Crosses Location County Coordinates
MD-11 Baltimore & Ohio Railroad, Howard Street Tunnel 1895 1984 CSX Baltimore Terminal Subdivision Howard Street Baltimore Independent city 39°18′17″N 76°37′15″W
MD-15 Baltimore & Ohio Railroad, Point of Rocks Tunnel 1971 CSX Old Main Line Subdivision Catoctin Mountain Point of Rocks Frederick 39°16′30″N 77°32′39″W
MD-17 Baltimore & Ohio Railroad, Harpers Ferry Tunnel 1894 1970 Former Baltimore and Ohio Railroad Elk Ridge Maryland Heights Washington 39°19′27″N 77°43′26″W
MD-21 Baltimore & Ohio Railroad, Ilchester Tunnel 1903 1971 Former Baltimore and Ohio Railroad Ilchester Howard 39°15′00″N 76°45′44″W

See also

References
  1. Library of Congress. "Prints and Photographs Online Catalog: Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey". Retrieved April 30, 2014.
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