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 ...

AASHTO is an international leader in setting technical standards for all phases of highway system development. Standards are issued for design, construction of highways and bridges, materials, and ...

The update, the first of its kind since 2009, is in response to 2024’s Francis Scott Key Bridge collapse in Baltimore. The American Association of State Highway and Transportation Officials told ...

Add Yahoo as a preferred source to see more of our stories on Google. HENDERSON, Ky. (WEHT) – The Twin Bridges are confirmed by the Kentucky Transportation Cabinet (KYTC) to be made from T-1 steel.

The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

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, ...