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This document summarizes the report that addresses tunnel repairs and rehabilitation in response to the National Transportation Safety Board's (NTSB) recommendations on development of regulatory and safety standards related to tunnel egress, including a condition-based rating system and...
This report addresses tunnel repairs and rehabilitation in response to the National Transportation Safety Board's (NTSB) recommendations on development of regulatory and safety standards related to tunnel egress, including a condition-based rating system and guidelines for a tunnel inventory...
This document summarizes the report that presents background research, including a literature review, to identify effective measures that have been proven successful in improving the safety of light rail operations.
This report presents background research, including a literature review, to identify effective measures that have been proven successful in improving the safety of light rail operations.
This document summarizes the background research and analysis on needs and gaps for new standards related to transit crashworthiness, the ability of a vehicle to protect its occupants during a collision, and crash energy management, a performance-based technique that is used to improve passenger...
This report presents background research and analysis on needs and gaps for new standards related to transit crashworthiness, the ability of a transit vehicle to protect its occupants during a collision, and crash energy management, a performance-based technique that is used to improve passenger...
This document summarizes the report that reviews the National Transportation Safety Board’s (NTSB) recommendation R-16-02, “Issue regulatory safety standards for emergency egress in tunnel environments."
This report reviews the National Transportation Safety Board’s (NTSB) recommendation R-16-02, “Issue regulatory safety standards for emergency egress in tunnel environments."
This document summarizes industry needs relating to rail tunnel design, construction, maintenance, and rehabilitation.
This report presents industry needs relating to rail tunnel design, construction, maintenance, and rehabilitation identified by reviewing past tunnel incidents and discussions with multiple transit agencies.