Massachusetts Attorney General Andrea Campbell is suing nine towns for failing to follow a 2021 law intended to increase the housing supply near public transit. The attorney general told reporters Thursday afternoon that the law was a key part of addressing Massachusetts’ housing affordability crisis. Cities and towns that do not follow the MBTA Communities Act are also ineligible for many state grants and funding opportunities. Milton has since passed new zoning districts and been deemed compliant by the state Executive Office of Housing and Livable Communities. “When local communities refuse to allow new housing, housing prices everywhere across the commonwealth increase.