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• Marginal Access Streets a street that is parallel and adjacent to a major arterial street or highway and which provides access to abutting property. The LDRs also define "alley", which is not classified as a type of street but is defined as an access-way that provides only secondary access to the properties that it serves (see attachment #1). The subject segment of 501h Avenue has some of the characteristics of a local street, a marginal access street, and an alley due to its unique history and location in relation to US 1. In 1925, a portion of 50th Avenue right-of-way (then known as "Church Street") was established by the Cadenhead Subdivision plat. Over time, the small public street with limited right-of-way width now known as 50' Avenue was established as well as adjacent lots. Later, US 1 was established in close proximity and roughly parallel to 50' Avenue, although 50th Avenue connects to US 1 at its northern end. As a result, this historically minor street continued to provide primary access to a limited number of properties on its west side and became a secondary access for properties located on its east side that now front on US 1. In the case of 50th Avenue, the subject segment is short in length, has a constrained right-of-way width of approximately 30', functions as a minor roadway that serves only commercially zoned properties, provides secondary access to property that fronts US 1, and provides primary access to a limited number of sites on its west side. With respect to the "half block" of properties that lie on the east side of 50th Avenue, those properties all front US 1 on their east side (opposite their 50th Avenue frontage) and significantly narrow in east/west depth in the northern 2/3 of the half block(see attachment#2). Those properties range in average depth from 140' to 70'. ., In regard to certain existing county LDR criteria, commercial lots with a depth of less than 150' are considered unusually shallow(narrow) to such a degree that the required width of landscape buffers on such sites are automatically reduced by code to account for the property's constrained building envelope. In staff's opinion, properties located on the east side of 50th Avenue are situated such that 50th Avenue functions as a secondary access, similar to the type of access provided by an alley. Based on the constrained depth of those properties and the function of 50`h Avenue for those properties, a reduced (rear yard) setback along 50th Avenue for those properties is warranted. Properties that lie on the west side of 50th Avenue are accessed by 50" Avenue in the same manner that a short, minor local street typically serves a limited number of properties. In the subject area, properties on the west side of 50th Avenue do not have significant depth constraints and most front no street other than 50th Avenue. In staff s opinion, those properties should have front yard setbacks along their 501h Avenue frontage. Classifying the subject segment of 50' Avenue as a "commercial service street" and addressing the associated setback issues described above require an amendment to the land development regulations (LDRs). • Proposed Ordinance The proposed ordinance addresses the unique function of the subject segment of 50th Avenue by creating a new roadway classification to be known as a "commercial service street". Also, the proposed ordinance addresses the special setback circumstances for properties that front an arterial street like US 1 and also front on its opposite side a commercial service street like 50th .— Avenue. As structured, the proposed ordinance limits the classification of a"commercial service street"to a street that meets all of the following definition criteria: FAC.—ityDn I.pmenTwDeNBCO2014BCC%9UIrommemtalatr dd- 3 99