More than 450 MBTA passengers were evacuated from a Blue Line train in the tunnel under the Boston Harbor due to a signal issue Tuesday afternoon.

Hundreds of passengers were evacuated from a Blue Line train that became stuck in a tunnel between Aquarium and Maverick stations in<a class="excerpt-read-more" href=" More ...

Shuttle buses are replacing a portion of the Blue Line due to a signal issue at the Aquarium station, the MBTA said Tuesday.