Counties and cities turn to gravel because paving roads is costly

Roughly one-third of the U.S. road network, some 1.4 million miles, are “unpaved,” meaning a gravel or dirt surface, according to an estimate by the Federal Highway Administration in 2012. The figure may be growing slowly because some counties and cities are converting paved roads to unpaved roads because of dwindling fuel-tax revenue, says Stateline.… » Read More