Doug reports (with photos) that the 1,000-car parking lot at the Riverside Green Line stop was manned by just one worker today as Red Sox fans arrived en masse to get to today's game:

... In a minature version of the Easter 2009 turnpike toll fiasco, insufficient staffing at the Riverside Green line terminal in Newton at noon on Sunday jammed traffic all the way back onto I-95/Route 128. ...