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4 Project Trip Generation and Distribution <br />4.1 Trip Generation <br />The proposed Marion-Springtree developments together will include 18 single family <br />residential homes. The 7th edition of the Institute of Transportation Engineers (ITE) Trip <br />Generation Manual lists an average trip rate of 1.01 vehicle trip per unit for WC -210, <br />"Single -Family Detached Housing," for the weekday PM peak hour of adjacent street traffic <br />(between 4p.m. and 6p.m.). The directional distribution is 63% entering and 37% exiting. <br />These factors were used to calculate the net project trips included in Table 5 below. <br />LUC-210 Distribution Vehicle Trips <br />SinQls-Family Detached flouring In Out In Out Total <br />Existing 63% 37% 1 - 1 <br />_ Proposed 63% 37% 16 8 24 <br />Net New Trips 15 8 23 <br />_ 4.2 Trip Distribution and Assignment <br />The PM peak hour project trips generated as calculated above were distributed on the local <br />road network according to the same distribution used for the existing trips. That is, 30% of <br />the traffic though tube count location #1 had an origin/destination past the Marion- <br />Springtree site. From tube count location #2, 70% of the traffic though tube count location <br />#2 was assumed to have an origin/destination past the Marion-Springtree site. This <br />- distribution is included as Figure 4. The traffic volume spreadsheet is included as Appendix <br />B. <br />Marion-Springtree Developments 8 June 2007 <br />Transportation Impact Analysis <br />000094 <br />