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Benton County to test filling rumble-strip grooves after resident noise complaint at South Van Horn intersection
Summary
Supervisors discussed noise complaints at the South Van Horn/North Blairstown intersection on Highway 30, reviewed DOT-recommended sinusoidal ("mumble") strips and other fixes, and agreed to first try filling the existing transverse grooves and install flashing beacons before considering mill-and-replace work.
Benton County supervisors discussed options to reduce noise from transverse rumble strips at the South Van Horn and North Blairstown intersection on Highway 30 and agreed to a limited, stepwise approach: fill the existing grooves with cold mix and then evaluate noise levels after flashing red beacons are installed.
The discussion began after staff described the county's federally funded safety-action process and a resident complaint about noise from transverse rumble strips placed on the highway. County engineering staff said DOT has recommended switching some locations…
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