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-� 0 Vlemorandum lo JefF Agnes and Janue Swanson Subject: Supplementa] Traffic Revie�v fior Outlot 81 Concept PUU for Har Vlar Shoppin� Center Page 7 of 9 Noven�ber 15, 2007 Future Safety Conditions with Prpposed Outlot 81 PUD As presented in the previous section, the existin, right tw�ns out at the westerly right turn access and eastbound u-turns at the County Road B/main access intersection presently opecate at a high level of safety. Based on our investigation, the proposed PUD for outlot 81 will not significantly alter this existing high Icvel of safety for the fotlowing reasons: • As shown in Fiaure 1, tl�e proposed outlot 81 PUD will not alter the number of eastbound U-illI'Ci� ai i�'i2 C6Ullty' Rvaii °uiiiiaiii aC�i.SS lili2]'S2Ct1011. • The proposed outlot 81 PUD also will not alter the movements, which include westbou»d through and southbound right turn movements, that directly interact with the u-tur�is. • The only movements that will experience a slight increase in ti•aftic volume ai•e eastbound right turns, westbound left turns, northbound left turns, and northbound right turns. None of these movements directly interact with eastbouud u-turns. For example, when the nocthbound left turns have a green indication, the eastbomid u-turn and left turn movements have a red indicatian. • As indicated in Figure 2, the proposed outlot 81 PUD will not alter the existing level of service for any of the movements. Based on the data presentcd in Table 1, it is impoitant to note that less than half the existing u- turns a�-e made by motorists who have exited from the Har Mar site. Thus, more than half the u- turns that presently occur, includinb those made during the time periods when u-turns are prohibited, still would occur if the ribht turn out fi•om the Har Mar site were eliminated. Though our analyses have clearly demonstrated no safety problems oc:cur due to u-turns by motorists exiting from the Har Mar site, Har Mar managernent will install a guide sign on their site to help direct some of the motorists presently exiting at the right turn access and making a u- turn at the main access to use the main access for exiting puiposes. Figure 3 presents a conceptual plan reb�u-din� the location and message for such si�ning.