California’s roads are crumbling, and we’re running out of construction materials to build schools, hospitals and churches in our communities.

In just 20 years, a dozen quarries in Riverside and San Diego counties will close because of exhausted reserves or expired permits, leaving this growing region without enough rocks and gravel to meet its needs. The proposed Liberty Quarry project would help address that shortfall and would be run by Granite Construction, which has a strong history of monitoring and minimizing environmental impacts and carries a solid safety record.