Any sign projecting over a public right-of-way on April 4, 1970, that was subject to removal or relocation at the owner's expense, pursuant to a permit or ordinance of the city, shall be removed by the owner or altered at the owner's expense to comply with the regulations of this chapter if, as the result of, or after completion of a street improvement project, such sign does not or would not comply with the regulations of this chapter. (Ord. 2016-0010 § 32; prior code § 3.09.174)