المؤلفون: Lacy, James Kevin.

الموضوعات: Traffic accidents Research North Carolina., Traffic safety Research North Carolina., Accidents de la route Recherche Caroline du Nord., Sécurité routière Recherche Caroline du Nord., Traffic accidents Research., Traffic safety Research., fatalities., two lane highways., countermeasures., North Carolina.

URL: http://worldcat.org/oclc/51900585/viewonline
https://rosap.ntl.bts.gov/view/dot/5252
https://digital.ncdcr.gov/documents/detail/3282766

الموضوعات: Traffic accidents Research North Carolina., Traffic safety Research North Carolina., Accidents de la route Recherche Caroline du Nord., Sécurité routière Recherche Caroline du Nord., Traffic accidents Research., Traffic safety Research., Accident analysis., Countermeasures., Accident characteristics., North Carolina.

URL: http://www.ncdot.gov/doh/preconstruct/tpb/research/download/1999-11FinalReport.pdf
http://worldcat.org/oclc/51793983/viewonline
https://digital.ncdcr.gov/documents/detail/3692181