Planning Board's Zoning Regulations - Amendments The Planning Board opened the public hearing on July 19 a to consider various amendments to Chapter 176 of the Code of Lexington, Planning Board Zoning Regulations. The purpose of the amendments is to amend the Board’s Regulations to reflect recent zoning amendments adopted at 2023 Annual Town Meeting and amendments associated with an amended district plan for Transportation Management Overlay (TMO-1) for Hartwell Avenue. The public hearing closed on September 27, 2023. Below are the final amended sections of the Planning Board's Regulations. They will soon be updated in the E-Code.