For purposes of regulating hold times and brightness of electronic display signs, three (3) lighting zones within the City are designated:

LZ1: Low ambient light. This zone consists of all areas within the zones listed in Section 14.38.010(3), Provo City Code, where on-premises electronic display signs are prohibited.

LZ2: Moderate ambient light. This zone is for primarily mixed-use areas and consists of all areas that are not designated as being in the LZ1 or LZ3 zones.

LZ3: Moderately high ambient light. This zone is for business district street sections and consists of those areas that are specifically listed in Section 14.38.025(1), Provo City Code.