Prince William County’s roads carried Lafayette and Anthony Wayne’s troops during the 1781 Virginia campaign. In September, allied cavalry, baggage, and support elements also moved toward Yorktown. These routes connected northern supply lines with the forces converging on Cornwallis and were essential to the rapid Franco-American concentration.

Prince William’s north-south roads carried Lafayette’s detachment into Virginia and later served the allied concentration. Wayne’s Pennsylvania troops followed after suppressing unrest and completing a difficult march. In September, cavalry, wagons, artillery support, and baggage moved through as Washington and Rochambeau directed forces toward the peninsula. Success depended on keeping routes open, finding forage, repairing vehicles, and timing the movement with French naval control. The marker describes a corridor rather than a single encampment. It shows how county roads linked distant armies to Yorktown and turned strategic surprise into physical encirclement.

This location was one stage in a campaign dependent on roads, bridges, ferries, animals, wagons, food, and local knowledge. Armies could cover impressive distances, but every march created traffic, exhaustion, breakdowns, and demands on civilians. A modern marker usually identifies the general route or camp area, not an unchanged eighteenth-century footprint. Later construction may have erased the tavern, farm, road alignment, or open fields known to the participants. The site’s value lies in showing how strategy became physical movement. Orders issued far away succeeded only when soldiers and supplies reached the required place at the required time. Such waypoints also reveal the Revolution’s impact on ordinary communities asked to provide forage, lodging, labor, and information. Seen within the full campaign, a seemingly brief stop could preserve an army, support an alliance, or help create the conditions for a later victory.

For HistoryGPS, the most useful interpretation begins with the site’s exact relationship to the event. A marker may stand at a surviving building, an approximate camp, a grave, a changed road, or simply the best accessible point from which to understand a vanished place. Modern development and later reconstruction can obscure eighteenth-century geography, while commemorative inscriptions often compress long careers or complicated campaigns into a sentence. The narrative must therefore distinguish contemporary evidence from tradition and avoid placing every associated achievement on the marker’s footprint. At the same time, the location gives national history a local scale. It reveals the roads, institutions, households, labor systems, and communities through which military and political decisions took effect. Reading the marker critically preserves its genuine connection while acknowledging uncertainty, change, and the broader human consequences of revolution.