This is video posted by @MBTAGM and apparently taken from a trolley along the Green Line between Packards Corner and Harvard Avenue.
The MBTA Tweeted Saturday afternoon that crews are clearing tracks of the snow in hopes of getting service restored by Monday. "Crews are working around the clock to restore service. Our current goal is to restore #MBTA service for Monday,'' MBTA GM tweeted.
On the Green Line, crews used what's known as a Skid Steer to clear the tracks:
The MBTA posted another video Friday night of a snow-clearing train, taken along the Orange Line near Malden Center station. Here it is:
And here is a video of MBTA crews clearing Green Line cracks on the B Line Saturday: