(1)  Where the corporation's engineer or an officer of the corporation who is authorized to give a report as provided in section 41 certifies that a local highway is unsafe to traffic or a particular class of traffic, it may close the highway to that traffic, erecting such barriers and carrying out such other works as are necessary for that purpose.

(2)  The Governor may give written directions to a corporation for the reopening, either generally or to a particular class of traffic, of a highway in respect of which it has taken action under this section, and the corporation shall take such steps as are necessary to give effect to the directions.

(3)  Where a corporation takes any action under this section, it shall keep posted near the highway a notice of the extent to which the highway has been closed to traffic and the reasons for its closure.

(4)  Notwithstanding subsection (3) , a notice posted under that subsection is not required to be kept posted for a period longer than 2 years.

(5)  A corporation is not, as the authority under a duty to maintain the highway, liable for injury occasioned to, or the loss suffered by, a person who uses a highway contrary to the terms of a notice posted under subsection (3) or takes any action that the barriers and other works erected or carried out under this section appear to be designed to prevent.