Northeast Corridor (North)

Penn Station (New York City) to Harold

Harold to New Rochelle

New Rochelle to Stamford

Stamford to Norwalk

Norwalk to Devon

Devon to New Haven

New Haven to New London/Groton

New London/Groton to Providence

Attleboro to Providence

 Canton Junction to Attleboro

 Readville to Canton Junction

 Forest Hills to Readville

 Back Bay to Forest Hills

 South Junction to Back Bay

 Boston South Station

New Haven to Springfield

New Haven to Hartford

Hartford to Springfield