Asphalt Pavements Modified with Coarse Rubber Particles Design, Construction, and Ice Control Observations Final Report Author(s): Esch, David C., P.E., Alaska DOT Origin: Alaska Date: August, 1984 Categories: Performance Key Words: pavement durability, rubber tires, elastomer modified asphalts, paving skidding characteristics, flexible pavements, ice control Summary: The Alaska DOT & PF installed six experimental pavement sections using the PlusRide system between 1979 & 1983. Major modifications to normal asphalt pavement aggregate gradations, asphalt contents, and mix design procedures are considered essential to achieve durable non-ravelling rubber asphalt pavements. Laboratory test indicate these mix have a potential for greatly increased pavement fatigue life, particularly when finely ground rubber is added to the mix and the mix is allowed to cure for 1 hour prior to compaction. Attaining low voids is a primary design and construction objective. Skid tests indicate a significant reduction in city road stopping distances, during icy conditions, using the PlusRide system.