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IV. Projected Travel Demand <br />Trip Productions and Attractions <br />A trip generation study was conducted on the barrier island and <br />mainland. Results of that study are shown on Page 16 and 17 of the <br />arrier Island Transportation Study. Generally, the study showed that <br />trip generation rates in Indian River County are lower than the <br />national averages except for Hotel/Motel land use types. <br />From the trip generation study data and using the Socio Economic <br />Conditions and CLUP densities as the driving force, trips were es- <br />timated for the five sub -areas of the island. Table 7, Page 20 <br />summarizes the Barrier Island Trip Productions and Attractions for the <br />existing, 2005, and Built -Out Conditions. <br />Capacity and Level of Service <br />The Indian River County CLUP has adopted Level of Service "C" for <br />Year-round traffic volumes and LOS "D" for peak sea volumes. Table <br />8, Page 22 shows the General Highway Capacities for various <br />facil- <br />ities. A detailed study of the three bridges linking the barrier <br />island to the Indian River County mainland revealed hi her ca <br />for these facilities than the Generalized HighwaygC.a patable <br />provides. pacify table <br />Projected Traffic Volumes <br />A computer modeling technique known as the Urban Transportation <br />Planning System (UTPS) was used for projecting traffic volumes for <br />both the year 2005 and Built -out conditions. <br />Table 9, page 25 shows projected traffic volumes. These volumes <br />indicate that the following improvements are recommended as follows: <br />Year 2005 Projected Conditions <br />A -1 -A .5 miles north of CR 510 5 lanes <br />to 1 mile south of CR 510 <br />A -1 -A 1} miles north of Beachland 5 lanes <br />Blvd. to 2 miles so. of 17th St Bridge <br />Bridge Capacity - 2 additional lanes between the Merrill Barber <br />Bridge and the Wabasso Bridge <br />Built out Conditions <br />A -1 -A north of CR 510 <br />7 <br />lanes <br />south of CR 510 <br />5 <br />lanes <br />north of SR 60 <br />7 <br />lanes <br />South of SR 60 <br />7 <br />lanes <br />south of 17th St. Causeway <br />Wabasso Bridge Corridor <br />5 <br />lanes <br />Merrill Barber Bridge Corridor <br />4 <br />lanes <br />17th St. Bridge Corridor <br />4 <br />4 <br />lanes <br />lanes <br />3 <br />BOOK 62 m .571 <br />