[7] District 1 of the Highway Division covers the following cities and towns:[1] Adams, Alford, Ashfield, Becket, Blandford, Buckland, Charlemont, Cheshire, Chester, Chesterfield, Clarksburg, Colrain, Conway, Cummington, Dalton, Egremont, Florida, Goshen, Granville, Great Barrington, Hancock, Hawley, Heath, Hinsdale, Huntington, Lanesborough, Lee, Lenox, Middlefield, Monroe, Monterey, Montgomery, Mount Washington, New Ashford, New Marlborough, North Adams, Otis, Peru, Pittsfield, Plainfield, Richmond, Rowe, Russell, Sandisfield, Savoy, Sheffield, Shelburne, Stockbridge, Tolland, Tyringham, Washington, West Stockbridge, Williamsburg, Williamstown, Windsor, Worthington.

District 2 of the Highway Division covers the following cities and towns:[2] Agawam, Amherst, Athol, Barre, Belchertown, Bernardston, Brimfield, Chicopee, Deerfield, East Longmeadow, Easthampton, Erving, Gill, Granby, Greenfield, Hadley, Hampden, Hardwick, Hatfield, Holland, Holyoke, Leverett, Leyden, Longmeadow, Ludlow, Monson, Montague, New Braintree, New Salem, Northampton, Northfield, Orange, Palmer, Pelham, Petersham, Phillipston, Royalston, Shutesbury, South Hadley, Southampton, Southwick, Springfield, Sunderland, Templeton, Wales, Ware, Warren, Warwick, Wendell, West Brookfield, West Springfield, Westfield, Westhampton, Whately, Wilbraham, Winchendon.

District 4 of the Highway Division covers the following cities and towns:[4] Amesbury, Andover, Arlington, Bedford, Belmont, Beverly, Billerica, Boxford, Burlington, Carlisle, Chelmsford, Concord, Danvers, Dracut, Essex, Everett, Georgetown, Gloucester, Groveland, Hamilton, Haverhill, Ipswich, Lawrence, Lexington, Lincoln, Lowell, Lynn, Lynnfield, Malden, Manchester-By-The-Sea, Marblehead, Medford, Melrose, Merrimac, Methuen, Middleton, Nahant, Newbury, Newburyport, North Andover, North Reading, Peabody, Reading, Revere, Rockport, Rowley, Salem, Salisbury, Saugus, Somerville, Stoneham, Swampscott, Tewksbury, Topsfield, Tyngsborough, Wakefield, Waltham, Wenham, West Newbury, Wilmington, Winchester, Woburn.

District 5 of the Highway Division covers the following cities and towns:[5] Abington, Acushnet, Aquinnah, Attleboro, Avon, Barnstable, Berkley, Bourne, Brewster, Bridgewater, Brockton, Carver, Chatham, Chilmark, Cohasset, Dartmouth, Dennis, Dighton, Duxbury, East Bridgewater, Eastham, Easton, Edgartown, Fairhaven, Fall River, Falmouth, Foxborough, Freetown, Gosnold, Halifax, Hanover, Hanson, Harwich, Hingham, Holbrook, Hull, Kingston, Lakeville, Mansfield, Marion, Marshfield, Mashpee, Mattapoisett, Middleborough, Nantucket, New Bedford, Norfolk, North Attleboro, Norton, Norwell, Norwood, Oak Bluffs, Orleans, Pembroke, Plainville, Plymouth, Plympton, Provincetown, Raynham, Rehoboth, Rochester, Rockland, Sandwich, Scituate, Seekonk, Sharon, Somerset, Stoughton, Swansea, Taunton, Tisbury, Truro, Walpole, Wareham, Wellfleet, West Bridgewater, West Tisbury, Westport, Whitman, Wrentham, Yarmouth.

District 6 of the Highway Division covers the following cities and towns:[6] Boston, Braintree, Brookline, Cambridge, Canton, Chelsea, Dedham, Dover, Milton, Needham, Newton, Quincy, Randolph, Watertown, Wellesley, Weston, Westwood, Weymouth, Winthrop