Lyndon Johnson actually said...

We must continue to plan our highway system so that it will contribute to the rational use of urban space as well as to pleasant and conveni...

We are in the midst of a major effort to beautify our highways and roadsides, to provide rest and recreation facilities for highway traveler...

The Attorney General, and the designees specified by him, shall fulfill the obligations assumed by the United States pursuant to Article XII...

American ingenuity and determination are constantly being applied to improve and expand this system.