321.254 Local authorities restricted. No local authority shall place or maintain any traffic-control device upon any highway under the jurisdiction of the department except by the latter’s permission. [C39, §5019.03; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.254] Referred to in §331.362
Iowa Legal Code