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OML Tunnel List B&O Old Main Line Tunnels
Baltimore to Harper's Ferry

This is a list of railroad tunnels along the B&O (now CSX) Old Main Line in Maryland. Construction dates are approximate. Any comments? EMail me.


MILE NAME PICTURES LENGTH PORTALS BUILT ADC MAP
11 Ilchester East, West * 1404 feet Brick 1903 Ba 41 A 7
15 Union Dam East, West 810 feet Sandstone 1902 Ho 12 J 4
19 Dorsey East, West 1022 feet Sandstone 1906 Ba 31 K 8
20 Davis East, West 497 feet Sandstone 1906 Ho 11 J 1
25 Henryton East, West 430 feet Brick 1850, 1865, 1903 Ca 35 K 6
29 Sykesville East, West 240 feet Brick 1903 Ho 4 J 5
34 Woodbine East *, West * 385 feet Brick 1902 Ca 33 J 4
40 Mt. Airy East, West 2758 feet Sandstone 1902 Ca 32 B 4
51 Hartman East, West 215 feet Limestone 1902 Fr 39 F 2
69 Point of Rocks East **, West 799 feet Brick 1868, 1902 Fr 43 F 5
71 Catoctin East ***, West *** 494 feet Brick 1868, 1903 Fr 43 D 2
81 Harper's Ferry East? ***, West *** 925 feet Brick/Concrete 1893, 1896, 1931 Wa 36 G 11

* Bonus picture (i.e. not shown in OML virtual tour).
** Bonus picture courtesy Dave Hiteshew.
*** Link to external picture at another Web site.
Also see the Bridges list
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