It's been 24 years since more than a dozen people were killed and many others were injured when a barge crash caused the Interstate 40 bridge to collapse into the Arkansas River in Webbers Falls.

Washington state plans to install within weeks a temporary fix for an interstate highway bridge that crumpled after being hit by an Alberta truck , tossing cars and people into a chilly river but ...

Traffic engineers have been able to study major closures to learn about the impact on traffic flow. A professor who wrote a ...