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Hopkins research: Bay Bridge has high risk for ship collisions
New research from Johns Hopkins University finds many of America's major bridges have a high risk of ship collisions, ...
For Construction Pros13y
AASHTO Sets Maximum Limits for Heavy Metals in Glass Beads Used For Highway Markings
Aug 18, 2011 American Association of State Highway and Transportation Officials (AASHTO) VALLEY FORGE, PA - A task force with the American Association of State Highway Transportation Officials ...
The Hill4d
These states have bridges that need to be assessed for collapse risk
NTSB is investigating last year's collapse of Francis Scott Key Bridge It found that bridge was almost 30 times AASHTO's risk threshold ... Association of State Highway and Transportation Officials.