It is unlawful for any person to violate any rule, regulation, order, or direction adopted by the Director of Transportation under this subtitle. City Code, 1950, art. 38, §7(c) 1966, art. 31, §5(c) 1976/83, art. 31, §5(c) Ord. 51-1678 Ord. 53-786 Ord. 57-1006 Ord.75-920 Ord. 15-435