Federal officials confirmed an Amtrak train was hurtling 50 mph over the speed limit when it careened off an overpass south of Seattle, spilling cars onto the highway below and killing at least three people. 

U.S. officials are abandoning plans to require sleep apnea screening for truck drivers and train engineers, a decision that safety experts say puts millions of lives at risk..

A city-wide train quiet zone is going into effect today in Norman, the first in the state.