The present invention relates to a system, method, and composition for a
thermochromatic, color indicative sheet or device that is bonded to an
article such as a concrete or asphalt surface, a traffic sign, a plate of
a guidepost and on which is indicated a surface temperature near or below
the freezing point of water. The invention can also utilize an adhesive
system including a pressure sensitive adhesive (PSA) and/or thermal
sensitive adhesive sheet for adhering sheets of preformed thermoplastic
with the thermochromatic color indicative sheet to concrete, asphalt,
wood or composite material surfaces. The invention includes methods of
applying the product allowing for immediate use in a traffic area upon
completion of the application to any appropriate outdoor surface.