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CHAPTER 3: EXISTING CONDITIONS IN THE STUDY AREA <br /> Memorial Day 2018, average speeds along the congestion along the corridor with slow <br /> corridor decrease from free flow(close to 70 speeds through much of the day, as shown <br /> mph)to under 10 mph for long periods of the in Figure 3-2. The figure shows travel speeds <br /> day and large swaths of the corridor.Travel in increments of 10 mph between Elk Heights <br /> times from Elk Heights Road to Lake Easton Road (rightmost column) and Lake Easton Road <br /> Road increase from about 30 minutes to as (leftmost column) by time of day, with 9:00 a.m. <br /> much as 150 minutes at the most congested to 9:15 a.m. at the top of the figure and 8:45 <br /> time of the day. p.m.to 9:00 p.m. at the bottom. <br /> The 2018 model was updated and validated As shown in Figure 3-2,the congestion begins <br /> the model against current industry data. early in the day near Lake Easton Road, and <br /> The model projected traffic for year 2040, quickly builds back past Elk Heights Road. Slow <br /> which again reflected the heavy westbound speeds in the corridor span from about 10:00 <br /> Figure 3-2 Future Year 2040 No Build Modeled Travel Speeds by Time of Day <br /> and Location along 1-90 in the Study Area on Memorial Day Monday <br /> No Build:Existing Configuration,Speeds <br /> Westbound <br /> Tree Farm Rd Golf Course Rd W 1st St <br /> Lake Easton Road Cie Elum Elk Heights Road <br /> 900 AM <br /> 9:15 AM <br /> 9:30 AM <br /> 9:45 AM <br /> 10:00 AM <br /> 10:15 AM <br /> 10:30 AM <br /> 10.45 AM 7M - <br /> 11:00 AM <br /> 11:15 AM <br /> 1:30 AM <br /> 11:45 AM <br /> 12:00 PM <br /> 12:15 PM <br /> 12:30 PM <br /> 12:45 PM <br /> 00 PM <br /> 1:15 PM <br /> 1:30 PM <br /> 1:45 PM <br /> 2:00 PM <br /> 2:15 PM <br /> 2:30 PM <br /> 2:45 PM <br /> 3:00 PM <br /> 3:15 PM <br /> 3:30 PM <br /> 3:45 PM <br /> 4:00 PM <br /> 4:15 PM <br /> 4:30 PM <br /> 445 PM <br /> 5:00 PM <br /> 5:15 PM <br /> 5:30 PM <br /> 5:45 PM <br /> 6:00 PM <br /> 6.15 PM <br /> 6:30 PM <br /> 645 PM <br /> 7:00 PM <br /> 715 PM <br /> 7:30 PM <br /> 7:45 PM <br /> 8:00 PM <br /> 8:15 PM <br /> 8:30 PM <br /> 8:45 PM <br /> 60-20 MPH Source:Fehr&Peers <br /> 21-30 MPH <br /> 31-40 MPH <br /> 41-50 MPH <br /> 51-60 MPH <br /> 61-70 MPH <br /> VOLUME I: FEASIBILITY REPORT 1-90 Corridor—Easton to Cle Elum Feasibility Study 1 36 <br />