Federal officials say a commuter train was going nearly 30 mph faster than it should have when it crashed into another train in Massachusetts.

Kitty Higgins of the National Transportation Safety Board said Saturday that a red signal required trolley operator Terrese Edmonds to stop for 60 seconds at the Waban station before proceeding at no more than 10 mph.

However, Higgins says Edmonds’ trolley was going 37 to 38 mph when it struck the other train.

Edmonds was killed in the crash Wednesday at Newton, Mass. About a dozen passengers were injured.

Higgins says the board is investigating reports that Edmonds was talking on a cell phone.