State Highway Commission of Virginia (April 10–11, 1924). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. pp. 7, 11, and 12.
State Highway Commission of Virginia (January 5, 1928). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 11.
State Highway Commission of Virginia (March 11, 1927). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 8.
State Highway Commission of Virginia (August 9–10, 1928). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. pp. 16, 17, 18, and 21.
State Highway Commission of Virginia (November 10, 1932). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 12.
State Highway Commission of Virginia (July 27–29, 1932). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 19.
State Highway Commission of Virginia (October 19, 1933). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. pp. 21, 22.
State Highway Commission of Virginia (September 19, 1934). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia.
State Highway Commission of Virginia (August 17, 1935). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. "to construct entrance to filling station at intersection of Routes 13 and 60, one mile west of Powhatan C.H."
virginiadot.org
"2009 Traffic Data". Virginia Department of Transportation. 2009. Retrieved 2011-08-08.