Sec. 20. The governor may:
(1) formulate and execute plans and regulations for the control of traffic in order to provide for the rapid and safe movement of evacuation over public highways and streets of:
(A) people;
(B) troops; or
(C) vehicles and materials;
for national defense or for use in any defense industry; and
(2) coordinate the activities of the departments or agencies of the state and political subdivisions of the state concerned directly or indirectly with public highways and streets in a manner that will best effectuate the plans.