Authors: STOKES RW RYS MJ RUSSELL ER

Citation: Rw. Stokes et al., MOTORIST UNDERSTANDING OF SELECTED WARNING SIGNS, ITE journal, 66(8), 1996, pp. 36

Authors: RYS M RUSSELL ER

Citation: M. Rys et Er. Russell, METHODOLOGY TO REVIEW COST-EFFECTIVE HIGHWAY SIGN RETROREFLECTIVE SHEETING POLICY, Journal of transportation engineering, 121(2), 1995, pp. 176-181