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Buc-ee’s – Efland, NC <br /> <br />6 <br /> <br />3.0 Traffic Generation <br /> <br />As envisioned on the current site plan, the project is assumed to include a 120-pump gas station <br />with convenience store which possesses unique trip generation characteristics that outside the <br />data range published in Trip Generation (Institute of Transportation Engineers, Tenth Edition, <br />2017) for land-use code 945 (gas station with convenience store). Therefore, the trip generation <br />rates for this project were based on data collected at nine similar sites in Texas. These rates are <br />shown in Table 3.1. <br /> <br />Table 3.1 <br />Trip Generation Rates (trips per pump) – User-Specific Data <br />Scenario Rate (trips/pump) Percent In Percent Out <br />Daily (weekday) 192.37 50% 50% <br />AM Peak Hour 10.16 53% 47% <br />PM Peak Hour 14.10 52% 48% <br />Saturday Peak Hour 20.43 51% 49% <br /> <br />It should be noted that the rates shown in Table 3.1 reflect total site-generated trips. This <br />methodology differs from the guidance provided in ITE’s Trip Generation manual, which <br />indicates that pass-by traffic (trips already on the network that will make a trip to the site as they <br />pass by on the adjacent street) will account for between 56-62% of peak hour site-generated <br />traffic for land-use code 945. However, receipt records from the nine similar Texas sites indicate <br />that over 90% of customers live outside a site’s zip code. This data, combined with this project’s <br />proposed use and location along I-40, suggests that nearly all site-generated trips can be expected <br />to act as pass-by traffic. Therefore, rather than distinguish between primary and pass-by site <br />traffic, this analysis instead used a single site trip generation rate for each peak hour and a single <br />trip assignment, discussed in Section 4.0, which reflects this unique traffic pattern. <br /> <br />Multiple municipalities in several states have previously approved this methodology for use in <br />traffic impact analyses of proposed sites. The Texas volume data and detailed trip generation <br />calculations are included in the Appendix of this report. <br /> <br />Table 3.2 summarizes the estimated traffic generation for the proposed project. <br /> <br />Table 3.2 <br />Traffic Generation (Vehicles) – Buc-ee’s - West Orange County <br />Land Use Intensity AM Peak Hour PM Peak Hour Saturday <br />Peak Hour <br />In Out In Out In Out <br />Gasoline Station with <br />Convenience Store 120 pumps 646 573 880 812 1,251 1,201 <br />Net New External Trips 646 573 880 812 1,251 1,201 <br />127