| Ivan Cheung Declines in fatal crashes of older drivers: changes in crash risk and survivabilityIvan Cheung Insurance Institute for Highway Safety, 1005 North Glebe Road, Arlington, VA 22201, USA Accid Anal Prev 43:666-74. 2011 Traffic speeds associated with implementation of 80 mph speed limits on West Texas rural interstatesRichard Retting Insurance Institute for Highway Safety, Arlington, VA 22201 USA J Safety Res 39:529-34. 2008 Exploring the declines in older driver fatal crash involvementIvan Cheung Insurance Institute for Highway Safety, Arlington, Virginia, USA Ann Adv Automot Med 52:255-64. 2008
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