The Long Island Expressway’s sound barrier system will be repaired along a Suffolk County stretch to help buffer surrounding communities from noise pollution, state transportation officials said on Thursday.

The $8.9 million project will swap out the barrier’s worn planks between Exit 49 (State Route 110/Broadhollow Road) and Exit 57 (State Route 454/Veterans Memorial Highway) in Huntington, Islip, and Smithtown towns, officials said. Construction is set to begin over the next few weeks and go on until late 2027, the New York State Department of Transportation said in a statement.

"By restoring the sound barrier system, we’re enhancing both the livability of surrounding neighborhoods and resiliency of the highway infrastructure," Department of Transportation Commissioner Marie Therese Do

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