Updated 5 hours ago NBC Universal, Inc. Massachusetts lawmakers are reacting to a report from the NBC10 Boston Investigators about a $7.9 million project to upgrade the historic trolleys on the Mattapan High Speed line. Download our mobile app for iOS or Android to get alerts for local breaking news and weather. "It was pretty frustrating and I was angry, frankly, around the lack of communication," said Rep. William Driscoll. Driscoll represents Milton, one of the communities served by the convenient transit connection to downtown Boston. Over the past two years, he told us he's unsuccessfully tried to get updates about the project on several different occasions.