Big dreams of an audacious 225mph bullet train from Boston to NYC were first introduced in 2021, and the time-saving idea is still in motion. 

Millions of people currently commute between Boston and New York City via Amtrak. The fastest train at the moment is the Acela Express which is usually about a 210-minute ride,providing the fastest possible ground transport between Boston and New York to this day. The bullet train from Boston to NYC proposes speeds of 225 miles per hour that would slash that commute in half to about 90 minutes!

https://bostonuncovered.com/bullet-train-boston-to-nyc/