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August 5, 2020 <br />Mr. Chuck Edwards, PE, District Engineer <br />Page 4 of 15 <br />Reference: Research Triangle Logistics Park TIA Supplement <br /> <br /> <br /> <br />Old NC 86 and Davis Road Intersection: <br />Since we only have peak hour traffic volumes for this location, it was verified that this location will meet the <br />peak hour warrant for signalization. Based on this, a traffic signal should be installed at this location. With <br />the traffic signal, all approaches operate at a Level of Service C or better in both peak hours and there are <br />no excessive queues. Additional turn lanes were noted in the TIA review, but based on the results, the <br />traffic signal mitigates the impact of the proposed development with acceptable levels of service on all <br />approaches. <br />Service Road and Site Driveways A, B, and C: <br />NCDOT concurred with the recommendations in the TIA. It is noted that a 100’ minimum internal protected <br />stem should be provided at each driveway. <br />Davis Road and Site Driveway D: <br />It is anticipated that almost all commercial vehicles will enter via the Service Road, so most vehicles <br />entering at Driveway D will be employees in personal vehicles. Due to the very low volume of westbound <br />through traffic, we are requesting that this location have a shared through / right turn lane on Davis Road. <br />In the morning, it is anticipated that there will be 24 vehicles turning right at this location with 81 vehicles <br />going through. In the afternoon, 8 vehicles are expected to turn right with 176 travelling through. It is noted <br />that a 100’ minimum internal protected stem should be provided at this driveway. <br />Multi-modal and Streetscape Enhancements: <br />These were not included in the TIA. Any enhancements required by Orange County will be coordinated <br />with NCDOT. <br />An updated traffic analysis has been performed and is included in the attachments. <br /> <br />409