State Highway Commission of Virginia (April 28, 1927). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 2.
State Highway Commission of Virginia (September 16, 1949). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. pp. 4 and 6.
State Highway Commission of Virginia (October 19, 1954). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. pp. 143, 172, and 173.
State Highway Commission of Virginia (October 19, 1954). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 184.
State Highway Commission of Virginia (August 9–10, 1928). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 32.
State Highway Commission of Virginia (August 15, 1929). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 17.
State Highway Commission of Virginia (December 18, 1930). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 14.
State Highway Commission of Virginia (March 9, 1933). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 17.
State Highway Commission of Virginia (November 15–17, 1943). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 5.
State Highway Commission of Virginia (February 20, 1951). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 19.
State Highway and Transportation Commission (May 20, 1976). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 28.
State Highway and Transportation Commission (September 21, 1978). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 23.
State Highway and Transportation Commission (March 17, 1983). "Minutes of Meeting"(PDF) (Report). Richmond: Commonwealth of Virginia. p. 21.