(2) The Department of Transportation, in coordination with the Office of Emergency Management, the Department of State Police, the Secretary of State and owners of digital billboards, shall prepare a written public notification plan. In preparing the plan, the Department of Transportation shall address:
(a) The criteria to be applied in determining when it is appropriate to request that an owner of a digital billboard display a public notification.
(b) The procedures used to determine the expiration of a notification and to recall the request once the information is no longer needed. [2011 c.562 §7]