§ 11. Department of transportation; commissioner. There shall be in
the state government a department of transportation. The head of the
department shall be the commissioner of transportation, who shall be
appointed by the governor, by and with the advice and consent of the
senate, and hold office until the end of the term of the governor by
whom he was appointed and until his successor is appointed and has
qualified.

The commissioner of transportation shall have sole charge of the
administration of the department.