12/08/1965
https://www.presidency.ucsb.edu...
"I urge Federal, State, and local government officials, as well as highway industry organizations, and other organizations having a public-spirited interest in our national highways, to hold appropriat..."
"Under and by virtue of the authority vested in me as President of the United States of America, particularly with respect to the conduct of the foreign relations of this Nation"
"The continued growth of highway travel reflects the continued population growth in our country and the desire of our citizens for greater mobility."
"Virtually everything that moves from field and factory to the home utilizes this system in one way or another."