Barre to Beverly via Clinton, Maynard, Bedford and N. Reading
Multiplexed with MA 70 in Clinton. Picks up MA 110 briefly as well.
Multiplexed with MA 31 in Princeton.
Multiplexed with MA 117 from Stow to Maynard
Multiplexed with MA 4 & MA 225 east of Bedford.
Cosigned with MA 12 in Sterling.
Brief multiplex with MA 27 in Maynard.
Brief multiplex with MA 28 in North Reading.
Brief multiplex with MA 114 in Middleton.
Multiplex with MA 3A in Burlington.
First appears in 1933 from North Rutland to Beverly. Extended west to Barre between 1942 and 1946.