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Senators hear request for I‑93 southbound sound wall; DOT says criteria and funding limit projects
Summary
Sen. Sharon Carson asked for a sound barrier on I‑93 southbound near a senior living complex in Londonderry; DOT noise staff explained Type 2 mitigation criteria, noted the department has no 10‑year funding for Type 2 projects, and said a 2017 screening identified roughly 49 candidate locations requiring more than $150 million.
Sen. Sharon Carson presented SB 631, a bill to install a sound barrier on Interstate 93 southbound adjacent to the Baldwins senior living community in Londonderry, where residents reported constant traffic noise from roughly 80,000 vehicles per day.
John Evans, DOT noise program manager, explained the department’s noise policy and the distinction between Type 1 projects…
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