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as it may from time to time be amended, supplemented, or revised. Where the existing conditions provide a current level of service of less than "C", the improvements shall be designed to at least maintain the current volume to capacity ratio as determined by the methods contained in the 2000 Highway Capacity Manual without further degradation through the design year plus two years. A detailed construction cost estimate of the required improvements shall be provided. (ix) Internal site improvements. Including the number and width of driveway lanes, the appropriate throat lengths (both unobstructed and with cross traffic permitted) for ingress and egress points, stacking and queuing lanes, pedestrian accommodations, bicycle facilities, and any other facilities or accommodations and any other factor which could impact traffic operations along the adjacent roadways or overall traffic safety, both internal and external. The internal circulation system shall be designed to preclude stacking or queuing in the travel lanes of adjacent roadways during the peak hours of the traffic generator. (x) Conclusions. Including all conclusions of the analyst applicable to the site, particularly with respect to the appropriate timing and phasing of improvements. Timing and phasing must be clearly tied to identifiable stages of development or specific time flames. Conclusions about the relative safety of the post-development situation shall also be included. (xi) Summary of findings and recommendations. An executive summary containing key findings and recommended actions. (3) Ail intersections, commercial entrances, median breaks, pavement markings, driveways, or other roadway features potentially affecting traffic flow located within five hundred feet of the proposed development as well as ali intersections and driveways internal to the development shall be considered and either shown or clearly noted on a scaled plan submitted with the traffic impact analysis. 2. That this ordinance shall take effect on the date of its adoption. ADOPTED by the Council of the City of Portsmouth, Virginia, at a meeting held on August 28, 2001. Teste: City Clerk