Starting August 28, 2025, Amtrak will launch its long-delayed NextGen Acela—also known as Avelia Liberty—on the Northeast Corridor between Boston, New York, and Washington, D.C., including 14 intermediate stops like Stamford and New Haven . These sleek new trainsets, built by Alstom, offer a significant upgrade with 27% more seats, 160 mph top speeds (10 mph faster than the current fleet), a tilting design for smoother rides, free 5G Wi‑Fi, USB ports, power outlets, larger windows, and a revamped Café Acela with enhanced food service options Five trains will begin service at launch, with the full fleet of 28 entering operation through 2027