23 C.F.R. § 750.711 Structures which have never displayed advertising material.
Title 23 - Highways
Structures, including poles, which have never displayed advertising or informative content are subject to control or removal when advertising content visible from the main-traveled way is added or affixed. When this is done, an “outdoor advertising sign” has then been erected which must comply with the State law in effect on that date.
Title 23: Highways
PART 750—HIGHWAY BEAUTIFICATION
Subpart G—Outdoor Advertising Control
§ 750.711 Structures which have never displayed advertising material.
