"Traffic volume trends."; "West Virginia. Department of Highways. Advanced Planning Division."; "Traffic patterns--West Virginia--Periodicals."; "West Virginia. Department of Highways. Advanced Planning Division."; "1971-1979"; "

Serial. Printed Ephemera Collection has: 1971:Sept.-1971:Dec., 1972:Mar.-1977:Mar., 1977:Sept.-1978:Sept., 1979:Mar.-1979:June.

"; ""; "P11588"; "pec"; "Traffic patterns--West Virginia--Periodicals."; "14256"; .