Amtrak has been promising that an upgrade to its signature Acela high speed service along the Northeast Corridor was on the horizon. It finally is, set to debut at the end of the month. (Photo: Amtrak)https://t.co/Yg03wLXY1V https://t.co/763gbzlflo ...

Amtrak has been promising that an upgrade to its signature Acela high speed service along the Northeast Corridor was on the horizon. It finally is, set to debut at the end of the month. (Photo: Amtrak)https://t.co/0pnNvVx8lA https://t.co/V8Q69dyGvi ...