The commissioner of transportation is appointed by the governor, subject to review by the Joint Standing Committee on Transportation and confirmation by the Legislature, and serves at the pleasure of the governor (Me. Rev. Stat. Ann. tit. 23, §4205). Any person holding any civil office may be removed by impeachment for misdemeanor in office; any person holding any office may be removed by the governor on the address of both branches of the Legislature (Me. Const. art. IX, §5).