By JENNIFER SANTOS QUINCY - A failed pump near the Quincy Center MBTA station was the likely cause of an oil spill into Town Brook last Friday. The MBTA has a pumping station near Granite Street where the Red Line tracks cross. It is believed that diesel fuel got into the brook there.

By SIMONE PRESS It won't make your ride come any quicker, but at least a new MBTA service will let you know when it might arrive. A new T alert service gives commuters up-to-the-minute transit information on their cell phones and via e-mail.

By ADVA SALDINGER HINGHAM -The Massachusetts Bay Transportation Authority has announced bus route improvements that will make travel to the Greenbush commuter line easier.

By MARIE SZANISZLO For commuters waiting for train service in some of Boston's poorest neighborhoods, an end to the wait finally is in sight. This week, the MBTA's Board of Directors agreed to pay J. F. White Contracting Co.

By L.E. CAMPENELLA Mattapan-Milton high-speed trolley riders have gotten some answers from the MBTA on why the cars won't return until Thanksgiving instead of June.