Haw. Rev. Stat. § 56-1

The council of any county may acquire the land for and authorize the improvement, construction, maintenance, repair and operation of public off-street parking facilities within the county. The term "public off-street parking facilities" means and includes land necessary or convenient for public off-street parking, rights-of-way, streets, or alleys necessary or convenient for ingress to or egress from such public off-street parking facilities, buildings, equipment, or any other property necessary or convenient for off-street parking purposes.