Since the implementation of the bridge rail guidance provided in AASHTO LRFD BDS Section 13 (AASHTO 2017), the landscape of roadside safety hardware testing, evaluation, and design has changed ...
AUSTIN, Texas--(BUSINESS WIRE)--The American Association of State Highway and Transportation Officials (AASHTO) increased the design strength for concrete reinforcing steels to 100 ksi for bridges and ...
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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