Poipū roundabout to face lane closures June 22-26
Lane closures will narrow the Poipū Road and Ala Kinoiki roundabout June 22-26, likely snaring commuters, school runs, deliveries and resort traffic in Poipū.
Drivers headed through Poipū next week should expect slowdowns at the Poipū Road and Ala Kinoiki roundabout as lane closures tighten one of South Shore’s busiest connectors. Kauai County, working with Goodfellow Bros. LLC, said the work will run from June 22 through June 26 and will alter traffic movement through the corridor.
The county posted the notice on June 15 and said the closure is meant to support work in the area. Residents, businesses and visitors who rely on the route for commuting, shopping, school runs or resort-area travel are being told to plan ahead and build in extra time. The roundabout links neighborhood traffic with visitor traffic and access to Poipū’s commercial and resort core, so even limited restrictions can ripple through the area during busy parts of the day.
The lane closures are the latest phase in the Poipū Road Safety and Mobility Project, which Kauai County has described as a major infrastructure effort to improve safety and accessibility along one of South Kauai’s busiest corridors. The project includes two new roundabouts, one at Poipū Road and Kiahuna Plantation Road, and another at Poipū Road with Ala Kinoiki and Pee Road. Both roundabouts are planned with four crosswalks and median refuges.
The Poipū work zone has already seen several traffic changes this spring. In April, the county said the intersection of Poipū Road, Ala Kinoiki and Pee Road had been converted to a roundabout, with yield signs on all entrances while construction continued. On May 13, the county announced temporary restrictions for large vehicles over 30 feet at the same roundabout, and on May 15 it said Pee Road would close from May 19 through May 29 so crews could build the center of the roundabout.
County officials first marked the start of the project with a blessing ceremony in Kōloa on Oct. 14, 2025. Since then, Public Works has repeatedly warned motorists to expect detours, lane closures and delays in the Poipū work area. The June 22-26 closure adds another week of disruption to a corridor that already moves beach traffic, delivery trucks and daily neighborhood trips through a narrow construction zone.
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