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Temporary Lane Closures Planned for Upcountry Pi‘ilani Highway

Road improvements will accommodate Auwahi Wind “superloads.”

July 5, 2012
The Maui Weekly

Sempra U.S. Gas & Power has announced temporary lane closures along Upcountry Pi'ilani Highway (Route 31) near Papaka Road (just after mile marker 16) to the Auwahi Wind project site on 'Ulupalakua Ranch (near mile marker 20).

For approximately four weeks, a portion of the highway will intermittently be closed for no more than 20 minutes at a time between 6 a.m. and 3 p.m., Monday through Saturday. To minimize traffic delays on these days, some roadwork activities may also take place between 7 p.m. and 5 a.m.

Highway improvements are being made to better accommodate the large semi-trucks that are scheduled to transport "superloads" of wind turbine components to the project site in August.

"We are working with local authorities and stakeholders to safely implement the highway improvements and minimize traffic impacts for those who travel Upcountry," said Dan Hyatt, construction manager for Sempra U.S. Gas & Power's Auwahi Wind project. "We are committed to doing all that we can to keep Maui residents informed as we move forward with all phases of construction."

Electronic notification boards will be placed along Upcountry Pi'ilani Highway in advance of construction, alerting Maui residents of the upcoming road closures. Once construction begins, signs will also be placed along the highway to inform motorists of the closures ahead.

Information regarding the upcoming "superload" transportation schedule and related traffic impacts will be publicized in the coming weeks. Residents can also access updated transportation schedules and other project information at or by calling the Auwahi Wind project hotline at (888) 587-2919.

Construction activities began in March on Auwahi Wind, located on 'Ulupalakua Ranch on the wind-rich southeastern flank of Haleakala. When completed later this year, the project's eight wind turbines will generate enough electricity to power about 10,000 Maui homes, and help Hawai'i reach its goal of securing 40 percent of its energy from renewable sources by 2030. For more information, visit



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