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.
Iowa Code § 321.254
Local authorities restricted
[C39, §5019.03; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.254]
Official source: Iowa Legislature. Reproduced from public-domain Iowa statutes; confirm against the official source for the current text. Not legal advice.