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Zames Lehnhoff, AICP December 7, 2009 <br />�ity of Arden Hi��s Page 8 <br />The directiona� trip distributio� for the proposed development is based on existi�g trave� patterns <br />anc� re�ional dai�y traff�c valumes �see Figure 4: Directional Distributio�}. The comb��ation of <br />background traf�c and trips generated by ��e proposed development for ye�r Za12 build <br />eandit�ons are shovvn rn Figure 5. <br />Port�ons of �he Boston Sclentific campus (formerly Guidant}, �mmediately north of the proposed <br />Arden Vil�age development, were previousl}� sched�led to redevelop/expand by t�e year 2012. <br />However, since the acquisition of C�idant hy Boston Scienti�c, some developments identi�ed in <br />the �uidant Corporation 1V�asteY Plan have not been construeted. To account for the potential <br />de�velopment �hat was inciuded in the master p�an by year 2012, add�t�onal tr�ps for the foilowing <br />��ston Sc�entifie expansian were inc�uc�ed i� a second build anaiysis: <br />� Building K— 259,200 Gross Squa�-e Feet (GSF) of off�ce space <br />� Buildings H, J, and �— 332,000 GSF o� office space <br />� Pa�king Ramp Nu�nber 5— 90Q parking spaces <br />• Parking Ramp N�mt�ers 2, 3, and 6— 2,050 parking �paces <br />• The assoc�ated building �oeat�on �i�ure is attached in the appendix <br />�he poten��a� Boston Scie�rt�f�e c�eve�apments listed above are exp�eted ta generate <br />approximately 922 a.m. �nc� 88 � p.m. peak hour trips. The traf�c d�stribution of the addit�onal <br />dev�lopment was consistent with the master p�an. The combination of background traffic, <br />adjacent de�elapments, and trips generated by the proposed deve�opment for year 20� 2 build <br />condi�ions are s�own in Figu�e 6. <br />l��aR 2012 BUILD CONDiTiONS — ARDEN VtLLAGE ONLY <br />�'o determine how well the exlsting and future roadway ne�work wi�1 accommodate y�ar 2012 <br />buitd traffic forecasts, an operations analysis was conducted c�uring the a.m. ar�d p.m. peak haurs. <br />Tl�ese scenarios do nat include the potential dev�Iopment of the Boston Scientific site, to bette�- <br />�ete��mine the impacts that the Arden Village development has on the adjacent roadway network. <br />The firs� scer�ario represents the roadway ne�wor� as i� eurrently exists. The second scenaria <br />inc�udes t�e improvements recommended for ex�sting conditions at the intersection of CR F anc� <br />Lexington Avenue. �Ia �mprovements were assumed a� �he intersec��on of CR F and Hamli�e <br />Ave�ue for either scenaria, to �d�ntify the opera�ions that ca� be expected i� nothing changes at <br />the �ntersection. <br />Tabte 2 <br />T'rip Generation Estimates <br />