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factor of 7.05 p.m. peak hour trips/1,000 square feet to determine the total number of trips generated <br />(498). Of these trips, 92% or 458 trips are new trips, which are due to the proposed land use <br />designation. From the new trips, 48% (220) will be inbound and 52% (238) will be outbound. Of <br />the outbound trips, 53% or 126 trips will originate from the north of the subject area Therefore, the <br />most intense use of the subject area under the proposed land use designation would generate 111 <br />(126 - 15 = 111) more peak hour/peak season/peak direction trips than the 15 that would be <br />generated by the most intense use of the subject area under the existing land use designation. <br />Using a modified gravity model and a hand assignment, the peak hour/peak season/peak direction <br />trips generated by the proposed use were then assigned to impacted roads on the network. Impacted <br />roads are defined in section 910.09(4)(b)3 of the county's LDRs as roadway segments which receive <br />five percent (5%) or more of the project traffic or fifty (50) or more of the project trips, whichever <br />is less. <br />Capacities for all roadway segments in Indian River County are calculated and updated annually, <br />utilizing the latest and best available peak season traffic characteristics and applying Appendix G <br />methodology as set forth in the Florida Department of Transportation Level of Service Manual. <br />Available capacity is the total capacity less existing and committed (vested) traffic volumes; this is <br />updated daily based upon vesting associated with project approvals. <br />The traffic capacity for the segment of U.S. 1 adjacent to this site is 2,650 trips (peak hour/peak <br />season/peak direction) at Level of Service (LOS) "D," while the Total Segment Demand (existing <br />traffic volume + vested traffic volume) on this segment of U.S. 1 is 1,272 trips (peak hour/peak <br />season/peak direction). The additional 126 peak hour/peak season/peak direction trips created by <br />the most intense use of the subject area under the proposed amendment would increase the Total <br />Segment Demand peak hour/peak season/peak direction trips for this segment of U.S. 1 to <br />approximately 1,398. <br />Based on the above analysis, staff determined that U.S. 1 and all other impacted roads can <br />accommodate the additional trips without decreasing their existing levels of service. <br />Table 2 identifies each of the impacted roadway segments associated with the proposed land use <br />designation. As indicated in table 2, sufficient capacity is available in all of the segments to <br />accommodate the projected traffic associated with the request. <br />Table 2: Traffic Concurrency Determination <br />Impacted Road Segments <br />(peak hour/peak season/peak direction) <br />Existing Demand <br />Positive <br />Segment <br />Total <br />Available <br />Concurrency <br />Link <br />Road <br />From <br />To <br />Capacity <br />LOS "D" <br />Existing <br />Volume <br />Vested <br />Volume <br />Segment <br />Demand <br />Segment <br />Capacity <br />Project <br />Demand <br />Dem_ <br />mination <br />11505 <br />IR Blvd <br />21° St. <br />SR 60 <br />11890 <br />1,308 <br />- 117 <br />1,425 <br />465 <br />15 <br />Y <br />W VB <br />City <br />_ <br />1160S <br />IR Blvd <br />SR 60 <br />Limits <br />1,890 <br />1,315 <br />138 <br />1,453 <br />437 <br />22 <br />Y <br />W VB <br />City <br />US 1 @ <br />1170S <br />IR Blvd <br />Limits <br />53d St. <br />1 1,890 <br />336 <br />145 <br />481 <br />1,409 <br />22 <br />Y <br />13205 <br />U.S. 1 <br />8" St <br />121° St <br />2.270 <br />1,366 <br />161 <br />1,527 <br />743 <br />11 <br />Y <br />S. VB <br />City <br />1325S <br />U.S. 1 <br />12i° St <br />Limits <br />2.370 <br />1,509 <br />180 <br />1,689 <br />681 <br />19 <br />Y <br />S VB <br />City <br />1330S <br />U.S. 1 <br />Limits <br />170 St <br />2.270 <br />1,509 <br />218 <br />1,727 <br />543 <br />19 <br />Y <br />13355 I <br />U.S. 1 I <br />Ir St <br />SR 60 <br />2.270 <br />1.199 <br />227 <br />1,426 <br />844 <br />30 <br />Y <br />September 22, 1998 <br />CE, <br />900K l� R PAGE.L02t <br />