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amtrak train was doing 80 in a 30 mph zone when it jumped tracks
crash
amtrak
car
ntsb
positive train control
robert sumwalt
源
john boehner is stupid to claim that amtrak crash had nothing to do with funding
amtrak
chuck schumer
congress
john boehner
politics
positive train control
recommended
源
america’s trains are finally getting automated safety systems
car
light rail
mass transit
positive train control
ptc
rail
safety
源
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