WSDOT purchased 8 new state-of-the-art Siemens Charger locomotives to pull Washington-state sponsored Amtrak Cascades trains. ... started running on the Amtrak Cascades corridor in November 2017.
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This "next generation" rail equipment features safety upgrades, including on-board positive trian control system, which will automatically stop the train when there are dangerous situations on the rails, once the system is activated corridor-wide in 2018.