Started as a local company in 1978, G P Roadway Solutions offers the largest capability for safety solutions in roadway safet ... y and personal & industrial safety in the State of Hawaii. G P Roadway Solutions (and its subsidiaries Peterson Sign Company, G P Maintenance Solutions, and Unistrut Hawaii) has been a proud member of the Grace Pacific family of companies since 2003. Headquartered in Honolulu, G P Roadway Solutions has full service branches in Kahului, Maui, Kailua-Kona on the Big Island, and Lihue, Kauai. G P Roadway Solutions sales region covers the entire State of Hawaii and spans the Pacific to Guam, Saipan and American Samoa. Contractors Lic AC-10998 read more