The Haverhill Line (formerly named the Haverhill/Reading Line) is a branch of the MBTA Commuter Rail system, running north from downtown Boston, Massachusetts through the cities and towns ofMalden,Melrose,Wakefield,Reading,Wilmington,Andover, North Andover,Lawrence, andHaverhill. A station stop also exists at Oak Grove in Malden, but this stop is only used when the Orange Line rapid transit service is disrupted.