Haw. Rev. Stat. § 286-3: Powers and duties of the governor.

The governor, in addition to other duties and responsibilities conferred upon the governor by the Constitution and laws of the State, may contract and do all other things necessary in behalf of the State to promote traffic safety. To that end the governor shall coordinate the activities of the State and its counties.

The governor may delegate duties and functions conferred upon the governor by this chapter to the director of transportation appointed under the authority of section 26-31 who shall also be designated as the governor's highway safety representative.