Old National Pike Milestones

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Old National Pike Milestones
Old National Pike Milestone at Dahlgren Road MD1.jpg
Old National Pike Milestone at Dahlgren Road, September 2012
Built 1806
Architect Unknown
Architectural style No Style Listed
Governing body State
NRHP Reference # 75002107
Added to NRHP November 27, 1975[1]

The Old National Pike Milestones marked each mile of the National Road in Maryland, United States between Baltimore and Cumberland. The surviving stones have been included in the National Register of Historic Places, and may be seen along US 40, Maryland Route 144, Alternate US 40, and other roads that trace the path of the Old National Pike. The stones are about 30 inches tall, twelve inches wide and eight inches deep, with rounded tops and the inscription XX miles to B, referring to the distance to Baltimore, the road's terminus. The composition of the stones varies, with the first 39 milestones of Baltimore gneiss from the area of Ellicott City. Stones from Frederick to Boonsboro are quartzite from the area of the Monocacy River. A unique white limestone with a distinctive inscription was employed from Boonsboro to Hagerstown, while west of Hagerstown the stones are gray limestone.[2][3]

Sixty-nine stones remained on the route at the time the stones were nominated to the National Register.


  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-15. 
  2. ^ "Maryland Historical Trust". National Register of Historic Places: Properties in Allegany County. Maryland Historical Trust. 2008-10-06. 
  3. ^ Edwin Darby Nye (August 1973). "National Register of Historic Places Registration: Old National Pike Milestones". Maryland State Archives. Retrieved 2010-05-28. 

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