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<br />Technical Memorandum <br />__ _= Paraoae 909 Aviation Parkvray <br />Briackerhoff Suite 1500 <br />1[orriaville, NC 27560 <br />~a (919) d67-7272 <br />To: Margaret Hauth, Town of Hillsborough <br />From: Slade McCalip <br />Date: September 7, 1999 <br />Subject: Coimnents on the Hillsborough Assemblage TIA <br />As requested, we have reviewed the above mentioned traffic impact <br />analysis. The following comments are based on information provided to <br />us by you, Ms. Michelle Beauchemia and Mr. Charles " Boots" Elam: <br />1. The adequacy of the proposed NC 86 access road's spacing with <br />existing driveways within 500 feet of the proposed intersection oa <br />both sides of NC 86 has not been addressed. <br />2. The adequacy of the three proposed Old NC 86 access roads' spacing <br />with existing driveways within 500 feet of the proposed <br />intersections on both aides of Old NC 86 has not bees addressed. <br />3. The analysis did not make any recommendations regarding the <br />adequacy of the existing road network in the future without (e.g. <br />" no-build scenario" ) the proposed development. <br />4. There is no discussion of whether the 1995 Hillsborough <br />Transportation Plan and the 2000-2006 NC TIP are adequate to <br />address the needed traffic network improvements along NC 86 sad <br />Old NC 86 (especially the interchanges with I-40 and I-85). <br />5. What will be the typical cross-section of Old NC 86 improvements <br />and how will southbound traffic be restricted from turning left <br />into the middle proposed access road (proposed right in-right out) <br />between Lafayette Drive and the southern most proposed access <br />road? <br />6. Is there adequate merging distance from northbound off-ramp of I- <br />40 westbound to the right turn lane for the proposed southern most <br />access road? <br />7. Tables 2 & 3 (on pages 4 & 5 of the additional analysis document) <br />should include the specific level of service letter designations <br />instead of some of them with the letter designation and some with <br />narratives. <br />8. Per your request today, the latest land use changes increase the <br />total traffic generated by the proposed development by 1,862 trips <br />per day which would increase the total ADT of the proposed <br />development to 37,444 trips per day. The residential changes <br />reduce the traffic generated by 1,777 trips per day while the <br />business and office changes increase traffic generation by 3,639 <br />tripe per day. <br />9. Gives the amount of trips to be generated by the landuse depicted <br />is the report, it may be that some of the main internal roadways <br />for the proposed development will need to have a 4-lane cross- <br />sectioa. <br />Over a Century of <br />EnQineerinQ Excellence <br />