Founded in 1978, GP Roadway Solutions offers traffic control and safety services for special events, such as parades and block parties. The company manages full-service branches in Kahului, Maui and Kailua-Kona in Hawaii. It stocks and fabricates a selection of safety products, such as ear muffs, barricades, traffic signs and airport flags. GP Roadway Solutions also operates a rental yard. The company provides installation services for roadway, highway and facility safety devices. It operates Peterson Sign Company and Unistrut Hawaii. The company s rental services division offers traffic cones, arrow boards, portable delineators and impact attenuators. GP Roadway Solutions is a member of Grace Pacific Corporation.