Demographics of New England centers that spans from Boston to Washington, D.C. The region includes three of the four most densely populated states in the U.S.; only New Jersey has a higher population density than the states of Rhode Island, Massachusetts, and Connecticut. Greater Boston, which includes parts of southern New Hampshire, has a total population of approximately 4.4 million, while over half the population of New England falls inside Boston's Combined Statistical Area of over 7.4 million. In 2009, two New England states were among the five highest in the U.S. in divorce rates. Maine was second highest with 13.6% of people over
Transportation in New England commuter rail service throughout eastern Massachusetts and parts of Rhode Island. The New York City Metropolitan Transportation Authority's Metro-North Railroad provides commuter rail service in southwestern Connecticut, while the Connecticut Department of Transportation operates the Shore Line East commuter rail service along the Connecticut coastline east of New Haven. Amtrak provides interstate rail service throughout New England. Boston is the northern terminus of the Northeast Corridor line. The "Vermonter" connects Vermont to Massachusetts and Connecticut, while the "Downeaster" links Maine to Boston. The largest and busiest airport in New England is Logan International Airport in Boston, which has many daily