Merrimack Valley Transit, formerly known as Merrimack Valley Regional Transit Authority is a public, non-profit organization in Massachusetts, United States, charged with providing public transportation to an area consisting of the cities and towns of Amesbury, Andover, Boxford, Georgetown, Groveland, Haverhill, Lawrence, Merrimac, Methuen, Newbury, Newburyport, North Andover, Rowley, Salisbury and West Newbury, as well as a seasonal service to the popular nearby summer destination of Hampton Beach, New Hampshire. Wikipedia