During construction on County Trunk Highway S in northwestern Racine County, Wis., construction crews travel on recycled base stabilized with fly ash.
Photo: James R. Rosenmerkel During construction on County Trunk Highway S in northwestern Racine County, Wis., construction crews travel on recycled base stabilized with fly ash.
Road crews place hot-mix asphalt over the stabilized, recycled subgrade.
Photo: James R. Rosenmerkel Road crews place hot-mix asphalt over the stabilized, recycled subgrade.