From Amtrak Downeaster website:
Due to an earlier slow speed derailment of an MBTA train near Ballardvale, MA, Downeaster trains are experiencing a service disruption.
Train 683 will depart Boston on-time, passengers will be transfer to a bus at Woburn Station to Ballardvale Station to meet a waiting Downeaster train to continue north.
Train 684 is currently operating 20 minutes late and will operate to Ballardvale Station where passengers will transfer to a bus to Woburn Station to meet a waiting Dowenaster train to continue into Boston.
Related item: MBTA commuter train derailment in Andover, MA
