附註:""The Relative Risks of School Travel: Special Report 269""; ""TRB 2002 Executive Committee""; ""The National Academies""; ""Committee on School Transportation Safety""; ""Preface""; ""Contents""; ""Executive Summary""; ""1. Introduction""; ""2. Quantitative Analyses: Data and Methods""; ""3. Analysis of Risk Measures""; ""4. Identifying and Managing Risks Associated with School Transportation""; ""5. Application of Risk Estimates Illustrative Scenarios""; ""6. Conclusions and Recommendations""; ""Appendix: Transportation Equity Act for the 21st Century:""
