HDOT is seeking a consultant for transportation planning services (PEL Study, NEPA / HEPA document, other required Federal and State environmental documents) and the development of a procurement package for a D-B contract for improvements along Honoapiilani Highway from milepost 10.5 to milepost 18.0. The work shall be completed in 3 phases with subsequent phases commencing at the discretion of HDOT. Phase 1: Planning and Environmental Linkages (PEL) Study. After completion of Phase 1, the HDOT will determine if the existing contract will be continued by amendment or issue a new RFP to complete remaining phases. For purposes of this RFP, proposals submitted shall only be developed for scope of services to complete Phase 1.