 shall: (0)  cooperate with the department and assist in developing and implementing the alert; and (0)  establish a plan for providing relevant information to the public through an existing system of dynamic message signs located across the state.  Added by Acts 0000, 00th Leg., R.S., Ch. 00 (S.B. 0000), Sec. 0, eff. September 0, 0000.   Sec. 000.000.  NOTIFICATION TO DEPARTMENT OF MISSING 