Advanced Courthouse Road Redoubt is a historic archaeological site located near Stafford, Stafford County, Virginia. The site was the central of the three, perhaps four, Federal defensive fortifications ordered constructed in early (February) 1863 during the American Civil War to protect the approaches to the Union supply depot at Aquia Creek Landing, Stafford, Virginia. Advanced Courthouse Road Redoubt is an earthen field fortification that is nearly 95 feet square.