MA 1A

split

General Routing

N. Attleboro to Norwood via Wrentham and Walpole
Boston to NH border in Salisbury via E. Boston, Lynn, Beverly, Ipswich and Newburyport

Upgrades & Multiplexes

Paired with US 1 from Attleboro to North Attleboro, Dedham to Boston (along with MA 128 and I-93, which picks up MA 3 and then MA 3A, and again in Salisbury.
Brief multiplex with MA 16 in Revere.
Cosigned with MA 129 in Lynn.
Cosigned with MA 114 in Salem.
Cosigned with MA 133 in Ipswich.

History

The southern section appeared between 1933 and 1936.
The northern section appears on a 1933 map. It originally included the Revere Beach Parkway to Broadway. When US 1 was re-routed in 1971, this piece was given to MA 16.


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