The MBTA's first new rapid-transit station in 27 years is open at Somerville's Assembly Square.
Orange Line trains will now have a 10-minute ride from downtown Boston. The station is the capstone of Somerville's massive $1.5 billion Assembly Row development.
Assembly Row is not completed, though it's already home to dozens of retail outlets and restaurants, two new apartment complexes, a Legoland Discovery Center and a 12-screen movie theater.
While the station will open to passengers Tuesday, construction is expected to continue through November.
It's the first Orange Line station for Somerville and one of six new T stops slated to open there in the next decade.