Town allows limited use of LED speed‑feedback and portable message plaques, HDC conditions included

Town Meeting approved an amendment to the sign bylaw to permit limited use of LED speed‑feedback signs and portable changeable message plaques that can display driver speeds or temporary traffic messages. The meeting considered safety, historic preservation and visual‑character concerns.

Proponent Chris Young, who has served on the HDC Sign Advisory Committee, described the measure as a narrow change to allow specific traffic safety devices (a small solar‑powered radar speed feedback unit and limited portable message signs) while preserving the town's overall sign rules designed to protect historic streetscape character. He proposed guardrails in the draft to control size, placement and the total number allowed.

Public safety speakers, including Police Chief Jody Casper, supported the devices as data‑driven tools that reduce speeds and crashes in transition areas (for example, where higher‑speed roads enter 25‑mph zones). The HDC and the Historic District Commission chair backed the proponent’s proposal to limit size and numbers and recommended a pilot approach rather than open‑ended permission.

Town Meeting adopted an amendment limiting the total number of LED plaques on the island at any time; the amendment passed by recorded vote (yes 287, no 74). The main motion as amended was then adopted in a recorded vote (yes 260, no 93), enabling restricted use of the devices and requiring administrative review and select‑board approval for locations and any portable deployments.

Supporters said the restricted authorization balances traffic‑safety benefits with preservation of historic character; opponents worried about creep and use for non‑traffic messaging. The adopted language gives town staff and boards a path to permit a small number of devices in specified locations after staff and HDC review.