8Stonex K A. Roadside design for safety [ C ]//Transportation Re- search Board Business Office. Highway Research Board Proceed- ings. Washington D. C. : Highway Research Board, 1960 : 120-156.
9Zegeer C V, Reinfurt D W, Hummer J,et al. Safety Effects of Cross- Section Design for Two- Lane Roads [ R ]. Washington D. C. : FH- WA,TRB of National Research Council, 1987.
10Satty T L. The Analytic Hierarchy Process [ M ]. New York : MC Graw- Hill, 1980.