Riders on several of the MBTA's subway and commuter rail lines face upcoming service changes in March, the T said Friday.

MBTA Blue Line subway service ... weekend commuter rail service on the Kingston, Middleborough, and Greenbush Commuter Rail lines between South Station and Braintree Station.

For the first time in 65 years, passengers will soon be able to take MBTA commuter rail trains from South Station in Boston to Fall River, New Bedford, Taunton and Freetown and vice versa.

The incident happened just before 7:30 a.m. Thursday at the Harvard Station on the Red Line. “With the safety of customers and employees its top priority, the MBTA is investigating an incident ...