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This specification covers white or yellow preformed retroreflective pavement marking tapes that are designed to provide a service life of typically 3 to 6 months, on roads with up to 15 000 average daily traffic count (ADT). The tapes are intended for use as longitudinal, transverse, or word/symbol pavement markings that provide delineation day and night. The tapes may be either Type I (removable) or Type II (nonremovable). The marking tape shall be a reflective film coated with a pressure-sensitive adhesive with or without a protective liner. It shall be flexible and shall conform to the the typical road pavement surface. In addition, it shall adhere to asphalt or portland cement concrete roadway surfaces when applied. Also, the marking tape shall be retroreflective, reflecting white or yellow, respectively, and shall be readily visible when viewed with automobile headlights at night and shall have minimum reflective values as specified.