23 C.F.R. § 1.7 Urban area boundaries.
Title 23 - Highways
Boundaries of an urban area shall be submitted by the State highway department and be approved by the Administrator prior to the inclusion in a program of any project wholly or partly in such area involving funds authorized for and limited to urban areas.
Title 23: Highways
PART 1—GENERAL
§ 1.7 Urban area boundaries.

