(a) In section 12 of the Federal-Aid
Highway Act of 1958, Pub. L. 85–381, 72
Stat. 95, hereinafter called the act, the
Congress declared that:
(1) To promote the safety, convenience,
and enjoyment of public travel
and the free flow of interstate commerce
and to protect the public investment
in the National System of Interstate
and Defense Highways, hereinafter
called the Interstate System, it is
in the public interest to encourage and
assist the States to control the use of
and to improve areas adjacent to such
system by controlling the erection and
maintenance of outdoor advertising
signs, displays, and devices adjacent to
that system.
(2) It is a national policy that the
erection and maintenance of outdoor
advertising signs, displays, or devices
within 660 feet of the edge of the rightof-
way and visible from the main-traveled
way of all portions of the Interstate
System constructed upon any
part of right-of-way, the entire width
of which is acquired subsequent to July
1, 1956, should be regulated, consistent
with national standards to be prepared
and promulgated by the Secretary of
Transportation.
(b) The standards in this part are
hereby promulgated as provided in the
act.