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lg a: Rutter world <br />of U54 <br />!0: Justin Gese; PE <br />Gem Lake City Engineer <br />I <br />FROM: Thomas A. Sohrweide, PE., PTOE <br />[SATE: August 8, 2018 <br />1 <br />14E- Gem Lake Hy-Vee C-Store Traffic Impact Study Review <br />SEH No. GEMLK 145IJ93 Task 7 14.00 <br />MEMORANDUM <br />As requested we have reviewed the Gem Lake Hy-Vee C-Store Traffic impact Study, prepared by Westwood. and <br />dated July 27, 201 a. <br />ollowing are our comments relative. to this study. <br />`'1. Traffic Counts <br />l a. What:date{s) and day(s) were counted? <br />2: Figures. ILAd pM numbers The bold is not <br />a. It is difficult Immediately determine.in the figures winch are A an <br />that bold and some numbers overlap. !s it correct to assume that the first number closest -to the <br />arrow is AM? <br />3:. Safety <br />Crash history reports that 'only three involved vehicles traveling to. or from: Hoffman Road " On. <br />the crash diagram it appears that.there are four and potentially a fifth depending on description, <br />! The diagram. for the 9/11/2012 crash may be.a.right turn to Hoffman, since the left through lane <br />ends just past that: Iocatlon. <br />b. .Several places in the report, state that u-turns which would likely increase with restricted access, <br />would ".cause. a safety.coneem". We do not. agree .that this would. be. a safety concern, with`u- <br />turns not being out of the ordinary on. the TH 81 corridor, <br />On page 8. of the report, expresses concern on the part of businesses foru-turns that would occur <br />from Scheuneman Road. Figure 7 of the report shows this volume to be no Vehicles In the AM. <br />Peak Hour and 12 vehicles in the PM Peak Hour. These volumes indicate very little impact. Also <br />i of note is that CR E:east of TH.01 does not have a. center median, therefore if u-turns.began to <br />occur, they would likely.be prohibited.. <br />A. Modeling <br />a. What speed was used for CR E? <br />b. Does.the modeling reflect the following lane uses of these Intersections? <br />1. TH 611CFt E <br />1: Southbound left turns prPdaminatefy from the leftmost lane. <br />2. Eastbound thru.rrsovements predominately from the left most thru lane. <br />i ii. CR E1Hoffentin Road <br />1. Eastbound thru movements predominately from the left most thru. lane. <br />I c. Was the signal timing obtained from. MnDOT? What cycle lengths, splits and. phasing was used <br />for the TH 611GR E signal? <br />Engineers 1 Architects l P1anM1ers j Scienllsta <br />Short t:lllott Kartdrlok.aon Inrir.351O:Vsdnais Canter Drive, St: Paul, MH 55110-5196. <br />SEHi is jj00V. amplayea•owned .1 :ahlnC.t:ort 1 851.490 DUO I M.325.2055 1 888;908.6186 fax <br />