(1)The Chief Officer of a Municipality may, when any such works as referred to in section 324 or any work, which may lawfully be executed in any street is in progress, direct that such street shall be wholly or partially closed to traffic or to traffic of such description, as he may think fit, and shall set up in a conspicuous position or an order prohibiting traffic to the extend so directed, and fix such bars, chains or post across or in the street, as he may think proper for preventing or restricting the traffic therein.
