Amtrak train derailed on track that had automatic-braking technology — but it was still being tested

Amtrak train derailed on track that had automatic-braking technology — but it was still being tested  USA TODAY Amtrak derailment spotlights delay in train safety upgrades  The Hill Official: Probe looks at whether engineer was distracted  Fox News Amtrak train was traveling 50 mph over limit when it derailed at curve before I-5 crossing  Seattle Times Tragic parallels between Washington's Amtrak derailment and Philly's are growing  Philly.comFull coverage