In 1855 , the Eastern acquired the majority stock of the Saugus Branch Railroad to keep it away from the B&M .
Affiliated with the Eastern 's primary rival , the Boston and Maine Railroad ( B&M ) , it did not initially have a connection with the Eastern .
In 1855 , the Eastern acquired the majority stock of the Saugus Branch Railroad to keep Eastern away from the B&M .
Affiliated with the Eastern 's primary rival , the Boston and Maine Railroad ( B&M ) , it did not initially have a connection with the Eastern .