Lyndon Johnson actually said...

Our unequalled highway network, constantly being expanded and improved, makes us the most mobile country in the history of man

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 ...

It is essential that Americans understand and appreciate the importance of highway transportation to their social and economic progress, and...

The daily working partnership they have achieved is a remarkable example of creative Federalism.