According to the Federal Highway Administration, concrete pavement makes up less than 2% of U.S. roads but approximately 20% of the U.S. interstate system. Though concrete interstate pavement supports ...

YOU ASKED COLUMN Oh Oracle of Odds and Ends, what's with the orange, hose-like rebar that's being used in the pavement being poured in front of the Plummer Building? -- P.T. July 25, 2005 04:00 AM ...