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1%.1 YslonThatMomYburCommurfq <br /> Transportation <br /> Consultants February 27, 2012 <br /> Dave Sargent <br /> Shea Mountain House LLC <br /> 2580 Shea Center Dr <br /> Livermore, CA 94551 <br /> Email: david.sargent@sheahomes.com (sent through email only) <br /> Subject: to address if the proposed Main Street roadway is in substantial conformance <br /> with the 2008 Initial Study <br /> Dear Dave, <br /> The purpose of this letter report is to provide some comments if the proposed Main Street <br /> roadway is in substantial conformance with the 2008 Town Center Initial Study. <br /> Specifically, TJKM will provide our comments on whether the speed, delay and queuing will be <br /> significantly different for the two different right of way assumptions (76 feet vs. 96 feet). <br /> Specifically,TJKM will address the following: <br /> I. Widening of the right-of-way (ROW) for Main Street, from 76 feet analyzed in the 2008 Initial <br /> Study to 96 feet as shown on the revised map. _ <br /> 2. Elimination of"the curve" on Main Street. <br /> 3. Addition of roundabout on Main Street(roundabout were not included in the 2008 Initial <br /> Study, but are now proposed for Main Street at two locations.) <br /> Findings <br /> The 2008 Initial Study (2008 IS) showed Main Street right-of-way at 76 feet, or 20 feet narrower <br /> than the existing <br /> Tentative Plan. The //—smFF Tnee6 <br /> 2008 IS proposes two STFEVU%rS <br /> 12-foot travel lanes with r `q .2V <br /> pleas,nson 8-foot parallel parking ' <br /> 3875 Hop <br /> yard Road lanes (rather than angled e'er <br /> Suke 200 <br /> Pleosanson,CA parking) on each •^'?din -S�"} } =";y nye'" c- <br /> 94588-8526 <br /> 925.463.0611 approach. The narrow i <br /> I 1. <br /> 925.463.3690 f. cross-section was an <br /> Fresno attempt to bring the <br /> 516 W.Shaw Avenue buildings closer together <br /> suite 200 to create a"main street <br /> Fresno,CA <br /> 937042515 experience." ,r • »• r is <br /> 559.325.7530 NW4Ue P�4vn. Patiq e1,snKM Pak4q PMZos NKe>Yraus. <br /> 559.221.4940 fax <br /> aoYnenw <br /> The intent of the MAIN STREET SECTION <br /> 980 Nkuh street diagonal parking for the <br /> 16-Floor current Tentative Plan is <br /> S..w. 2008 Initial Study 76' right-of-way <br /> 95814-2736 to slow down traffic on <br /> 916.449.9095 Main Street, especially when a vehicle backs out of the parking stall. In addition, the current <br /> Sand Ross Tentative Plan showed two roundabouts on Main Street at Tradition Street and E Street which are <br /> 1400 N.Dmon Avenue <br /> suite 21 further design elements that will calm the street The current design did not include a curve <br /> sand Rose,a section on Main Street between Tradition Street and Providence Street that was shown in the 2008 <br /> �- 95401-4613 <br /> 707.575.5800 IS. Perhaps the curve design might be an attempt to slow down vehicles. The currently proposed <br /> 707.575.5888 f x diagonal parking and proposed roundabout would be more than adequate to calm the street. <br /> tjbn@gkm.co <br /> ..01".com <br />