The design examples in Appendix C follow the AASHTO LRFD Bridge Design Specifications (BDS), 9th Edition, 2020, with proposed modifications based on the results from NCHRP Project 12-118. Further ...
As of January 1, 2020, all new and replacement bridge rails installed on the National Highway System are required to conform to the requirements stipulated in the Manual for Assessing Safety Hardware, ...
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