HAGERSTOWN, Md. — Robotic dogs and workers wearing exoskeletons are building the D.C. Metro trains of tomorrow at a 307,000-square-foot factory in Maryland. Hitachi Rail’s sleek $100 million plant ...

Hitachi’s new $100 million railcar factory in Western Maryland is using AI-powered robotic dogs, 3D vision inspections and other digital tools to make what it calls trains of the future. Hitachi Rail, ...

At the MBTA's Wellington Yard shop, engineers give shiny new Orange Line train cars a final inspection before sending them out on the rails. Bill Wolfgang, senior director of vehicle engineering, ...