Executive Order 10999, signed by John F. Kennedy in 1962, provides for the centralized control over all transportation in the United States in case of attack.
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SECTION 1. Scope. The Secretary of Commerce (hereinafter referred to as the Secretary) shall prepare national emergency plans and develop preparedness programs covering:
(a) Development and coordination of over-all policies, plans, and procedures for the provision of a centralized control of all modes of transportation in an emergency for the movement of passenger and freight traffic of all types, and the determination of the proper apportionment and allocation of the total civil transportation capacity, or any portion thereof, to meet over-all essential civil and military needs.
(b) Federal emergency operational responsibilities with respect to: highways, roads, streets, bridges, tunnels, and appurtenances; highway traffic regulation; allocation of air carrier aircraft for essential military and civilian operations; ships in coastal and intercoastal use and ocean shipping, ports and port facilities; and the Saint Lawrence Seaway; except those elements of each normally operated or controlled by the Department of Defense.