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I <br /> b Background and System Concept <br /> g Y P <br /> Existing and Future Travel Demand and Conditions <br /> IOverall Travel Demand <br /> The Preferred Plan assumes an increase in both population and employment of about 400o <br /> over current levels. This growth rate translates into an increase in overall travel demand of <br /> Inearly 50°%0 over current demand. When assigned as vehicles onto the area's streets and <br /> freeways, this demand increase ranges from 40%to 50% and displays significant variations <br /> among facilities and planning subareas. The higher overall travel rate is due to the <br /> Iincreasingly central role of Everett as an activity center for other growth in Snohomish <br /> County, and a continuation of the tendency of households to travel travel more. <br /> Variations in demand are attributed to differences in the rate of growth for each subarea, <br /> Ithe location of the subarea with respect to other growth and activities, and the type of <br /> growth in the subarea (the trip-generation rate of new growth). Increases in vehicle travel <br /> I on the freeways range from about 45%to over 60%on segments of I-5 near the Everett <br /> CBD. Many of Everett's arterials experience more modest rates of vehicle travel growth, <br /> particularly in areas with lower rates of population/employment growth or not adjacent to <br /> Iareas of more rapid growth. <br /> P Modal Shares <br /> Figure 1 illustrates current and forecast use for different modes of travel in the Planning <br /> Area. The Preferred Plan seeks an improved modal balance and recommends investments <br /> that expand the use of alternatives to the single occupant vehicle. This strategy assumes a <br /> I shift of about 14%from single occupant vehicles to other modes, particularly transit and <br /> carpools. This shift reduces the rate of growth in vehicle travel below what it would be if <br /> current rates of modal use were assumed into the future. <br /> IFigure 1 <br /> Modal Shares, Existing and Planned <br /> I <br /> Mode of Travel <br /> I Current and 2012 <br /> 80- <br /> P 70- <br /> ' e <br /> r 60- <br /> c 50- <br /> e n 40- <br /> I t 30- <br /> 20- <br /> ID 0 <br /> f 10- <br /> 0 <br /> SOV Transit Carpool Ped/Bike Substitute <br /> I MODE <br /> 1992 i. 2012 <br /> I T-5 <br />