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� Wayne Wentz <br /> April 10, 1996 <br /> Page 2 <br /> was applied to account for other pending or approv�d developments in the project vicinity. Also <br /> the traffic generated by the approved Costcc store was added to determine "worst case" <br /> cor.ditions. <br /> Dai(y and PM peak hour trips generated by the proEosed neighborhood retail development have <br /> been estimated based on statistics for similar shopping canter developments, compiled and <br /> published in the Institute of Transportation Engineers (ITE) Trip Generation manual, fifth edition, <br /> January 1991. A credit was applied for the existing retaiUchildcazelmini-mart/food services to be <br /> removed and a 67 percent passby reduction in daily and peak trip generation was applied to <br /> account for existing trips already on the road system. <br /> � Peak hour level of service (LOS) analysis calculations follow the methodology outlined in the: <br /> 1994 Highway Capaciry Manual, Special Report 209, Transportation Research Boazd and <br /> highway capacity support softwaze developed by McTrans, University of Florida, Transportation <br /> Research Center, and the Federal Highway Administration. Terry Gibson, responsible for the <br /> traffic analysis is a licensed civil engineer in the State of Washington and past-President of the <br /> Washington State Section of ITE. <br /> EXISTING CONDITIONS <br /> Roadwuy Network <br /> The primary access route to the project site is SR-�27, which is the two/three-lar:e principal <br /> arterial in the study area and connects Everett to Bothell. SR-3 has left-turn channelization along <br /> the site frontage and signalization provided at major intersections in the project vicinity. <br /> However, SR-527 is programmed for widening to s 5-lane section between 132nd and 112th <br /> Street. SR-527 presently carries 22,270 average daily trips (ADT) north of 116th Street, per July <br /> 1995 City of Everett counts. <br /> Existing Traffic Volumes and Level of Service <br /> Traffic congestion is generally measured in terms of level of service (LOS). In accordance with <br /> the 1994 Highway Copacity Manual, road facilities or intersections are rated between LOS A and <br /> F, with LOS A being &ee flow and LOS F being forced flow or over-capacity conditions. The <br /> LOS at stop-controlled intersections is measured in terms of average delay for the critical stop- <br /> controlled lane group while delay at signalized intersections is measured in tertns oi the average <br /> delay of all approached. Geometric characteristics and conflicting traffic movements are taken <br /> into consid�ration when determining LOS vwues. <br /> 3�Z7 <br /> 0 � �Oa <br /> RAFFIC <br /> OO a�NJd4G^1�4� <br />