Deltaline® TWR marking tape is an easy-to-install, completely removable means of providing the highest level of reflective performance for temporary roadway delineation. The composition of Deltaline® TWR is designed to provide superior high-performance wet night reflectivity and daytime visibility for Portland cement and bituminous surfaces. Deltaline® TWR is available in white, yellow, and high contrast, in a variety of roll widths, and as words and symbols. It is intended primarily for construction zones that may be opened to traffic immediately after application. Performs for the duration of the normal construction season.