Section 307.035 - Director's decisions final, when - appeal to board - hearing and decisions1. The decisions of the director of the department of public safety under the provisions of sections 307.020 to 307.120, shall be final unless appealed as herein provided and shall be sent by registered mail to the applicant.2. Within thirty days of the receipt of the decision, the applicant may appeal to a board of review composed of the lieutenant governor, and the members of the state highways and transportation commission, by filing with the lieutenant governor, a written notice of his intention to appeal and setting forth the grounds thereof.3. Within thirty days after receiving such notice the board shall hear the appeal by hearing such evidence as the applicant or the director of the department of public safety shall present and making such investigations and tests as the board deems necessary. In the case of a tie vote of the board on such appeal, the board shall call upon the chief engineer of the state transportation department to hear the evidence, make such investigations and tests as he may deem necessary and cast the deciding vote.4. The board shall certify to the applicant its findings, which shall be final, except that the same may be reviewed in the proper court by certiorari.L. 1941 p. 438 § 8386t, A. 1949 S.B. 1113