MINNEAPOLIS (WCCO)-- With road construction season in full swing, Minnesotans have seen plenty of crews on the highways. MnDOT uses one of two pavements -- asphalt or concrete -- which has John from ...

Asphalt and concrete have battled for road surface supremacy ever since both made their debut in the late 1800s. Until now, asphalt ruled, being the material of choice on 90 percent of all U.S.