As used in this subpart, the following terms have the meanings indicated:

(a) FHWA Division Administrator means the chief Federal Highway Administration (FHWA) official assigned to conduct business in a particular State;

(b) Material means any tangible substance incorporated into a Federal-aid highway project;

(c) PS&E means plans, specifications, and estimates;

(d) Special provisions means additions and revisions to the standard and supplemental specifications applicable to an individual project;

(e) Standard specifications means a compilation in book form of specifications approved for general application and repetitive use;

(f) State has the meaning set forth in 23 U.S.C. 101;

(g) State transportation department means that department, commission, board, or official of any State charged by its laws with the responsibility for highway construction;

(h) Supplemental specifications means approved additions and revisions to the standard specifications.