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<br /> Table II <br /> NO-BUILl> ANALYSIS ASSUMPTIOnS <br /> TII 101 TII 1 69 TN 610 1-6911 Total <br />2000 AWDT No Build 23,000 60,000 611,000 1111,000 288,000 <br />Major Pk Hr Volume 1,1195 3,600 3,811:> 7.755 16,~50 <br />Critical Looation Signal So Signal at West eud River Bridge n... <br /> of Elk River Main St term1m1 & weave <br /> (Anoka) TII 252 <br />Max Hourly Capacity 1,000 1,700 2,700 7,200 12,600 <br />V IC ratio 1.1195 2.118 1.1122 1.077 1.320 <br />Normal1zed (VI1.I122) 1.05 1.119 1.00 . 1.18 <br />Excess Demand 1195 1,900 1 , 1110 555 11,090 <br />. 1-6911 is proposed as a metered freeway. This is reflected in the data <br />presented. As an unmetered facil1ty, the number values of normal1zations <br />and percentage would approx1lllate TN 101 and TN 610. <br /> <br />Although not inoluded in the no-buUd analys1s, both ItI/DOT and the Metro <br />Council assume that either TN 101 or TH 610 or both sbould be upgraded in the <br />post 2000 period. CertainlY it both bridges were w1dened, the capacity for <br />11100 additional peak hour trips would exist. In this analysis there was no <br />restraint upon the IUlIIIbers of trips that could use either bridge. The. <br />locations of the bridges therefore are seen not to attraot the trips trom TH <br />169 that would relieve that bridge of the est1lllated demand for 60,000 crossings <br />a day. <br /> <br />Under the no-build assumption, the signal at Main St sets a maxi.muID hourlY <br />capacity on TH 169 of 1700 vph (Table II). Table 5 shows the effect of <br />introducing a by-pass route for TN 169 bridge w1th a taster crossing route at <br />either location 3 or 6 called 3b and 6b to distinguish these as by-pass routes <br />w1th better speeds. With a by-pass bridge in the near vicinity, the peak <br />volUllles on TH 169 do not drop ~low 21100. A peak hour demand of 1000 (3b) <br />would require l-lane of capaoity. The 6B alternate produces a demand est1lllate <br />for two lanes. The above results make it clear that 'J5 169 will continue to <br />attract major .volUlDes because of its location as a critical link in a much <br />larger system. <br /> <br />Table 5 <br /> <br />BY-PASS ANALYSIS ASSUMPfiONS: ALT 3B & 6B <br /> <br /> <br />Alternate Bridges ADT Peak Hour <br />3D TB 169 115,000 2,700 <br /> 3D 17,000 1,000 <br />6B '1'H 169 110,400 2,400 <br /> 6B 28,300 ',680 <br /> 17 <br /> <br />34 <br /> <br />