Power Problems Knock Out T Trains for Hours, Force Substitute Buses

Buses replaced blue lines trains on the North Shore for over eight hours on Tuesday because of a power problem, according to the MBTA.

The problem started before the rush hour began - before 6 a.m. - and affected five stations in Revere and East Boston. Buses ran from Wonderland to Orient Heights. The power problem was at Revere Beach Station.

By 2:30 p.m. on Tuesday, the buses has been “phased out,” according to the T, in time for the start of the evening rush hour.