the post road to carry mail south of the Potomac River did not go to Richmond in the 1760's, since it was a minor port while Williamsburg was the colonial capital
Source: Library of Congress, Carte de la Virginie Mari-land &a. (1764)
the post road to carry mail south of the Potomac River did not go to Richmond in the 1760's, since it was a minor port while Williamsburg was the colonial capital
Source: Library of Congress, Carte de la Virginie Mari-land &a. (1764)
mail was carried on the post road through Virginia from Fredericksburg to Williamsburg in 1774, but no routes went further inland
Source: Atlas of the Historical Geography of the United States, Public Post Roads and Stage Routes, 1774 (Plate 138h), digitized by University of Richmond
by 1804, mail routes stretched inland all the way to the Mississippi River
Source: Atlas of the Historical Geography of the United States, Main Post Roads, 1804 (Plate 138j), digitized by University of Richmond
by the Civil War, Telegraph Road carried most traffic west of Pohick Church (highlighted in green) and the town of Colchester on the Occoquan River had faded away
Source: Library of Congress, Map of part of Fairfax County, Virginia, south of the city of Alexandria and the Orange and Alexandria Railroad