Bar Harbor is located on Mount Desert Island near Acadia National Park. On Mount Desert Island, you'll find some rugged hills and a considerable amount of recreational traffic in the summer months and during the fall color season. West of Freeport, the route heads inland on somewhat hilly, less-trafficked roads to avoid Portland, Maine, before looping back to the coast at Kennebunk. The route follows very quiet rural county roads from Exeter to the outskirts of Nashua, though traffic increases in and near towns. The 29-mile Boston Spur begins in Littleton, and provides access to the city center on a combination of busy thoroughfares and a the Minuteman Bikeway. The terrain of southern Massachusetts, Rhode Island, and northern Connecticut is hillier. The majority of the route in Connecticut is quiet rural county roads except of the section into Windsor Locks, which has typical urban congestion. Click on enlargement for detail.

More information about this route is available here.