513ateman C. Medical negligence pay-outs soar by 132 -subs follow [ J ]. SAMJ : South African Medical Journal, 2011 (4).
6Noland R B,Quddus M A. A spatially disaggregate a- nalysis of road casualties in England[J]. Accident A- nalysis Prevention, 2004 (6).
7Elvik R. Area-wide urban traffic calming schemes., a meta-analysis of safety effects[J]. Accident Analysis Prevention, 2001 (3).
8Gibreel G M, Easa S M, Hassan Y, et al. State of the art of highway geometric design consistency [J ]. Journal of transportation Engineering, 1999(4).
9Renge K. Drivers' Hazard and Risk Perception,Confi- dence in Safe Driving,and Choice of Speed[J]. IATSS research, 1998(2).
10Schwarz E D, Kowalski J M. Malignant memories: PTSD in children and adults after a school shooting [J]. Journal of the American Academy of Child Adolescent Psychiatry, 1991 (6).