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21 CHAPTER 3 LRT Safety Data Available from Local Transit Agencies, SSOs, and the NTD This chapter presents a review of LRT collision data obtained ments (see the Data Collected by NTD section) (4). Based on from transit agencies across the United States. The purpose of discussions with SSO and local transit agencies, it is usually this chapter is to identify the purpose of collecting and storing the local transit agency that conducts the incident investiga- collision data at each level of government, identify the actual tion at the scene. When this is the case, the local transit agency data collected at each level, assess the quality of the data col- is required to incorporate practices specified and approved lected and identify any potential issues or deficiencies, and, by the oversight agency into the investigation procedure used where possible, analyze the data to determine root causes and by the local transit agency. factors contributing to LRT collisions. In addition, the local transit agency is required to transmit The Data Collection and Transfer between FTA/NTD, SSO, a final investigation report that identifies any contributing or and Local Transit Agencies section outlines the relationship casual factors and outlines a corrective action plan. The SSO between the three hierarchical levels of transit administration, agency is required to review the findings of the investigation and identifies the datasets requested and received by the proj- report, and either adopt it or formally transmit its dissent to ect team from various transit agencies. The National Transit the report findings. Database, SSO Agencies, and Local Transit Agencies sections When the SSO agency disagrees with the findings of the examine the collision data available at the federal, state, and investigation report, the SSO agency may conduct its own local transit agency levels, respectively. The Comparison of independent investigation of the incident. In the case where Databases section concludes with a comparison of the data the SSO agency does not authorize the local transit agency to available across the three levels of transit administration. conduct incident investigations on its behalf, but instead chooses to investigate the incident directly, the SSO agency is responsible for compiling the final investigation report and Data Collection and Transfer transmitting it to the local transit agency. The exact method- between FTA/NTD, SSO, and ology employed to meet the above requirements is left largely Local Transit Agencies to the discretion of the SSO and local transit agencies, and Incident report data are collected and stored at three distinct may differ between jurisdictions. The SSO agency is respon- hierarchical levels of transit administration in the United States: sible to compile and submit to the FTA an annual report the federal level, state level, and local level. This section briefly summarizing its oversight activities, including a description outlines how transit incident data are stored and transferred of the contributing/casual factors of investigated collisions, between the three levels of transit administration. The purpose and the status of any corrective actions. and method of incident data collection at each level of transit In addition to meeting its obligation to the SSO agency, administration are presented in Chapter 7 and Appendix E. the local transit agency is also required to investigate all inci- The primary source of incident data is the information col- dents meeting the NTD criteria of a reportable incident out- lected at the scene of the incident using collision report forms. lined in the Data Collected by NTD section. The local transit According to Rule 49 CFR Part 659 of the Federal Transit agency is responsible for completing and submitting the Administration Act, it is the responsibility of the SSO agency S&S-40 Reportable Incident Report form (S&S-40 form) for to "investigate, or cause to be investigated . . . any incident each reportable incident within 30 days of incident occur- involving a rail transit vehicle or taking place on rail transit- rence. In addition to this, local transit agencies are required controlled property" meeting certain notification require- to submit the S&S-50 Safety and Security Monthly Summary