Mauna Loa Road in Volcanoes National Park Now Open

Mauna Loa Road in Hawaiʻi Volcanoes National Park has reopened.

Although work to drill into and sample material below the road finished several weeks early, surveyors will continue to work along the road and motorists are urged to drive slowly, safely and to obey all signs.

The drilling, sampling and surveys will provide important information for the rehabilitation of Mauna Loa Road. The rehab project will improve the safety and accessibility of the scenic road and keep its historic width and scenic alignment through native forest, lava flows and viewpoints. The project is expected to start in late 2025.

The remaining survey work could last through mid-December.

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