The Test Area consists of 11 miles (18 km) of interconnected roads and test courses located on 250 acres (1.0 km2), with both 3- and 4-mile (6.4 km) closed loop courses, mud, dust and gravel surfaces, and grades ranging from 7% to 29%.
On March 21st, 2007, the Army celebrated the designation of a 163.5-acre (0.662 km2) buffer-zone alongside the Churchville Test Area, in conjunction with the Harford County Government, the Harford Land Trust, and the Hopkins family. Part of the US Army's Compatible Use Buffer program, under the Pentagon's environmental protection initiative, this land-use purchase was $1.4M (US).1