According to an article in the Boston Globe Massachusetts Bay Transportation Authority commuters are testing a system in which commuters are notified by text messages or email when their train subway, train, bus or commuter boat routes they use during their usual commute times is delayed. The service is called T-Alerts and is being tested by 3,000 commuters.
MIS Sciences Corp., provided the service for MBTA and alerts for transit
systems in Washington D.C., Toronto, and the Port Authority of New York
and New Jersey.