“Since 1992, MSP’s noise mitigation program has invested more than $510 million to acoustically retrofit about 15,000 single-family houses, 3,300 apartments and 19 schools near the airport. The program uses FAA Aviation Environmental Design Tool to develop annual noise contours. Residential sound insulation improvements typically include new windows, doors and insulation for walls and roofs.
Last April, MSP announced it is extending the noise mitigation program in a new phase to run from 2025 to 2032. Approvals for the extension came from three local cities, the Minnesota Housing Authority, and a county court and the FAA. The entities’ original agreement with the Metropolitan Airports Commission established the phase of the program that began in 2007.” source
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