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-Transportation <br />A review of the traffic impacts that would result from the proposed <br />development of the property indicates that the existing level of <br />service I'D" or better would not be lowered. The site information <br />used for determining traffic impacts is as follows: <br />Retail Commercial Use Identified in 5th Edition ITE Manual: <br />Shopping Center <br />2. For Structures 200,000 to 300,000 square feet (based upon the <br />ITE Gross Leasable Floor Area category): <br />�. Average Weekday Vehicle Trip Ends: 46.81/1000 gross <br />sq.ft. <br />b. 5-6 P.M. Peak Hour Exiting Trips: 9.5% outbound <br />C. 5-6 P.M. Peak Hour Entering Trips: 8.3% inbound <br />4. Formula for <br />Determining New Trips <br />(peak hour/peak season <br />Exiting Trips)* <br />Total Square Footage X Average Weekday Vehicle Trip Ends <br />X Percentage P.M. Exiting Trips X Percentage -New Trip - <br />(Trip distribution based on a Modified Gravity Model) <br />5. New Trips: 75% or 967 peak hour/peak season Exiting Trips <br />based on the ITE Manual <br />Directional Split: <br />Roadway Segment <br />I. West on 37th St. <br />2. South on I.R. Blvd: <br />3. North on I.R. Blvd.* <br />Not a peak direction <br />% Actual Trips <br />30 290 <br />50 483 <br />20 193 <br />6. Traffic Capacity on 37th Street at a Level of Service <br />980 peak hour/peak season/peak direction trips <br />.7. Existing Traffic Volume on 37th Street: <br />700 peak hour/peak season/peak direction trips <br />':.Since the county's transportation level of service is based on peak <br />r. <br />hour/peak season/peak direction characteristics, the trans <br />-.."-.�'..,...;.concurrency analysis only addresses project traffic occurring in <br />the peak hour and affecting the peak di rebti6fi --- of'- impacted <br />roadways. In this case, the site will access two thoroughfare plan <br />these are 37th Street and Indian River Boulevard. Both <br />_;of.these roadways have more volume in thep.m. peak hour than in <br />..the a.m peak <br />hour,, so the p.m. peak hour was used for the. <br />transportation concurrency analysis. <br />According to recentc ount <br />the peak direction during the p.m. peak hour is west for 37th <br />:Street <br />and south for Indian River Boulevard. <br />iven those conditions,* the number of new p.m. exiting trips <br />associated with this request was determined by taking the 290,000 <br />.,square feet of Shopping Center use (most intense -Use), applying <br />.ITE's 46.81 Average Weekday Vehicle Trip Ends/.1000 gross square <br />..feet to the 290,000 square feet to get total daily trips, applying <br />the ITE Shopping.Center use p.m. peak hour exiting factor (9.5%) <br />and multiplying that number by 75% to ensure that only new trips <br />are counted. The total p.m. peak hour exiting trips for the <br />proposed use was calculated to be 967. Toget the projected west <br />bound (peak direction) peak hour volume of trips from the site on <br />37th Street, the total number of peak hour exiting trips was <br />Multiplied by 30%; to get the projected south bound (peak <br />direction) peak hour volume of trips from the site on Indian River <br />Boulevard, the total number of peak hour exiting trips was <br />Multiplied by 50%. Based upon this analysis, 290 trips were <br />assigned to 37th Street, and 483 trips were assigned to south bound <br />Indian River Boulevard. Using a modified gravity model and a hand <br />assignment, these trips were <br />then assigned to roadways on the <br />network. <br />27 <br />NOV 12 1991 <br />;g <br />