Orange Line service was suspended early Monday afternoon because of a medical emergency at North Station, according to the MBTA.
Boston firefighters were able to free the trapped man after he allegedly put himself in the path of an Orange Line train.
Portions of the MBTA will shut down for rare week-long periods between now and June for repairs. The agency also has some weekend closures planned.
Boston firefighters rescued a man who intentionally walked into the path of an oncoming Orange Line train at North Station on Monday afternoon and became trapped beneath, according to officials.