a. Traffic Zone I encompasses the area bounded by, but not including, Roosevelt Street, Madison Street, Seventh Avenue and Seventh Street, as shown in schedule III, section 36-160

b. Traffic Zone II encompasses that area exclusive of Traffic Zone I and bounded by and including 18th Avenue, Glendale/Lincoln east to 32nd Street then following the City limits to and including 44th Street, then south to but not including Washington Street, then west to but not including 16th Street, then south to but not including Madison Street. (Ord. No. G-2130, § 2; Ord. No. G-2817, § 1)