The MBTA Communities Act, signed in January 2021, requires 177 towns and cities in the commonwealth to designate at least one zoning overlay district near public transportation that allows for multifamily housing as of right. There can’t be any age restrictions on the housing and the minimum density must be 15 units per acre.

Peter Karol, faculty director of the Franklin Pierce Center for Intellectual Property at the University of New Hampshire, joins Radio Boston to discuss the case against Milton over noncompliance with the MBTA Communities Act.

Earlier this week, state officials celebrated a milestone in the MBTA Communities Act rollout, as more than 30 cities and towns received approval for new zoning to encourage housing production. But next week,