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MA 7A
MA 7A split General Routing Ashley Falls Lenox History Both are original routings of US 7, and were reassigned 7A between 1961 and 1966.
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MA 2A
MA 2A split General Routing Greenfield to Montague City Erving to Cambridge via Athol, Fitchburg, Lunenburg, Ayer, Littleton, North Acton. Arlington and Cambridge. Upgrades and Multiplexes Multiplexes with MA 2 in several locations.
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MA 20A
MA 20A split retired (Boston section) General Routing Springfield and Boston. History
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MA 1A
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
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MA 122A
MA 122A General Routing Farnumsville to Rutland Upgrades & Multiplexes Brief multiplex with MA 56 in Rutland.