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Comprehensive Plan Transportation Element If based on the above analysis the proposed development does not meet approval requirements, the developer may choose to conduct a more detailed traffic impact analysis as described in Policy 1.5. POLICY 1.5: The county, through its land development regulations, shall require submission of a traffic impact study for all projects projected to generate/attract 100 or more average daily trips. The traffic impact study will be the basis for identifying site -related improvements required by a project as well as for assessing consistency with adopted level of service standards. Minimum requirements for traffic impact studies are described below: All traffic impact studies shall be performed by registered professional engineers who specialize in transportation engineering and/or by qualified professionals in the field of transportation planning who specialize in traffic impact studies. The study area boundary shall include all intersections within 8 miles of the project where the project generated peak hour traffic meets or exceeds 8 trips on a 2 -lane road or 15 trips on a 4 or more lane road. Projected project traffic shall be based on the application of ITE trip rates (Trip Generation, Current Edition), Indian River County trip rates, or applicant derived/county approved trip rates for the proposed use(s) in the project. - Trip distribution and assignment shall be based on one of the following techniques: a) Trip distributions based on studies of existing similar developments in proximity to the proposed site. b) Experienced judgment and knowledge of local condition. This method requires approval and concurrence from the county. C) A combination of "a" and "b". d) Special zip code analysis for a representative land use in proximity to the proposed site. e) FSUTMS travel model results including trip tables by trip purpose. f) Gravity model. Community Development Department Indian River County 125