2[1]Richard J Deschamps,Christopher S Hynes,Philippe Bourdeau.Final Report:Embankment Widening Design Guidelines and Construction Procedures[M].Indiana:Purdue University Press,1999.
7FHWA.Roadside design guide[M].3rd ed.Washington D C:AASHTO,2002.
8ROSS H E,JR,SICKING D L.Recommended procedures for the safety performance evaluation of highway features[M].Washington D C:National Academy Press,1993.
9交通部.《公路工程技术标准》JTG B01一2003[S].北京:人民交通出版社,2004.
10LEE J,MANNERING F L.Analysis of roadside accident frequency and severity and roadside safety management[M/OL].Washington D C:University of Washington,1999,12.http://www.wsdot.wa.gov/Research/Reports/400/475.1.htm
