By Linda ScottWatertown Resident What the MBTA Law (MGL 40A Section 3A of the Zoning Act) is: A zoning plan to address building multifamily housing in areas where there is public transportation. What it is for Watertown: A zoning plan for 1,701 housing units in the form of three family structures or more. These units … Continue reading OP-ED: The MBTA Communities Law Part 2 – What It Is, What It Isn’t