Wikipedia:Featured topics/Green Line Extension

The Green Line Extension (GLX) was a construction project to extend the light rail Massachusetts Bay Transportation Authority (MBTA) Green Line northwest into Somerville and Medford, two inner suburbs of Boston, Massachusetts. The project opened in two phases in 2022 at a total cost of $2.28 billion. Total ridership on the 4.3 mi extension is estimated to reach 45,000 one-way trips per day in 2030.