Massachusetts State Route 3 is a north-south highway in Norfolk County. It runs from the Plymouth/Norfolk County Line, near Hingham, to the Norfolk/Suffolk County Line, near Boston. MA St Rt 3 passes through the following towns in Norfolk County. Weymouth Braintree Quincy Milton MA St Rt 3 is multi-plexed in Norfolk County.Interstate 93, from Braintree to the Norfolk/Suffolk County Line. U.S. Rt. 1, from Braintree to the Norfolk/Suffolk County Line. MA St Rt 3 intersects the following highways in Norfolk County. Massachusetts State Route 18, at Weymouth. Interstate 93, at Braintree. U.S. Rt. 1, at Braintree. Massachusetts State Route 203, at Milton.
A guide marker in Braintree. Photo from: Paul Dienhart