Fingers in a trolley door

BadTransit seems to be running a new series: Trains that start moving before they should:

... Today, in an obscenely overcrowded B-line train, the driver closed the doors on the fingers of a girl standing next to me. The train was so packed she really had nowhere else to hold on to. Then he started to leave the station (Hynes) until several people yelled and finally got him to stop and open the door. ...

Earlier:
The taunting empty car on the Worcester line