Where was arena  above North Station which is now a hub for MBTA Commuter Rail and Amtrak trains.and was where the 'final four' games of the 1984 ECAC Hockey Men's Ice Hockey Tournament played located?
1984 ECAC Hockey Men's Ice Hockey Tournament:  Quarterfinal games were played at home team campus sites, while the 'final four' games were played at the Boston Garden in Boston, Massachusetts. Boston Garden:  It was above North Station, a train station which was originally a hub for the Boston and Maine Railroad and is now a hub for MBTA Commuter Rail and Amtrak trains.
i don't know