No member of the Board of Transportation nor any officer or employee of the Department of Transportation shall be permitted to use his position to influence elections or the political action of any person. (1965, c. 55, s. 8; 1973, c. 507, s. 7; 1975, c. 716, s. 7; 1977, c. 464, ss. 7.1, 10.1; 1979, c. 298, s. 3.)