On our Inbound trip, the hardrunning staff got to the trolley before it started leaving the station, but the driver looked straight at us and drove away.
On the Outbound leg, the trolley stopped in the tunnel between Kenmore and St. Mary’s. three times the driver got on the PA and said, “We’re standing by for a short time due to signal problems.”
Yes. Signal problems is a perfect two-word synonym for the T.