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ATTACHMENT "A" CHAPTER 721 - ROADWAY STANDARDS Sub - Chapter l - Applicability §1.01. Applicability This Chapter shall govern the following items related to Regulated Roadways within the County: (A) The design and construction of all Regulated Roadways as defined in Chapter 701. (B) The minimum roadway widths and building set back lines for Regulated Roadways. §1.02. Legal Authority Legal Authority for adopting and enforcing the regulations in this Chapter is granted to the County under TLGC in Chapters 231, 232 and 234, and under the Texas Transportation Code (TTC) Chapters 251, 286 and 545. §1.03. Approval Required Approval of the Commissioners Court is required prior acceptance by the County of Regulated Roadways. Separate approval is required under Chapter 751 for any use of existing County facilities, including roadway rights -of -way, which are not part of the Application for a Development Authorization. Sub - Chapter 2 - Roadway Classifications §2.01. Basis for Classification Regulated Roadways shall be classified based on the criteria established in "A Policy on Geometric Design of Highways and Streets ", latest edition, as developed by the American Association of State Highway and Transportation Officials ( AASHTO). For the purposes of these Regulations, regulated roadways shall be designed to handle the average daily traffic (ADT) estimated to occur for a period of twenty (20) years following completion of construction of the roadway, with the pavement sections and widths required to accommodate the design ADT at the applicable speed limits adopted by the County. At a minimum, pavement sections and widths shall conform to the suggested minimum requirements established by AASHTO for the specified classification of roadway. Roadways shall also be classified under TTC Chapter 251. Roadway classification information is included in Table 721.02. §2.02. Country Lane A Country Lane shall be a one or two lane paved roadway, without improved shoulders, and considered a Special Purpose Road with a design capacity of up to 100 ADT in accordance with AASHTO design standards, and third -class roadways in accordance with TTC Chapter 251. §2.03. Local Roadway A Local Roadway shall be a two lane paved roadway, with improved shoulders or curb and gutter, and considered a Local Rural Road with a design capacity of between 101 and 1,000 ADT in accordance with AASHTO design standards, and third -class roadways in accordance with TTC Chapter 251.