Yes, all our road construction signs are retroreflective. You can choose between 3M Engineer Grade Reflective Aluminum, 3M Hi-Intensity Reflective Aluminum, 3M Diamond Grade Reflective Aluminum, or 3M Diamond Grade Fluorescent Orange. The reflective sheeting meets DOT specifications for Roads and Bridges on Federal Highway Projects FP-85 for Sheeting Type II, Class 1 or 2.