Our traffic signs are manufactured to federal and state specifications, when applicable. All traffic signs are available in a variety of grades including Engineer, High Intensity and Diamond grade reflective sheeting. Traffic signs are constructed of a heavy duty 0.080 gauge, Alodine treated, aluminum for maximum exterior life.New federal regulations require a minimum level of reflectivity on traffic signage which may result in a minimum reflectivity of High Intensity or greater. Please check with your local municipality for minimum reflectivity requirements.NTS can fabricate both standard and custom signage. Please contact our sales department for a quote for any signs not shown.