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City of Lathrop Travel Demand Model and VMT Methodology R <br /> October 28, 2020 ,A <br /> Page 4 of 7 <br /> Table 1. Vehicle Trip Purpose and VMT Categories <br /> Trip Type Trip Origin Trip Destination Example VMT Category <br /> Residential zones Employment/commercial <br /> Worker driving <br /> Home-based (single family, multi- zones (office, school, Residential VMT; <br /> Work family, and other government, medical, between home and work Employment VMT <br /> housing types) industrial,food, retail,etc.) <br /> Residential zones <br /> Home-based (single family, multi- Parent driving <br /> School family, and other School zones students between Residential VMT <br /> home and school <br /> housing types) <br /> Person driving <br /> Residential zones Employment/commercial between home and <br /> Home-based (single family, multi- zones (food, retail, medical, shopping, recreation, Residential VMT; <br /> Other family, and other etc.) social destinations; Employment VMT <br /> housing types) appointments and <br /> errands <br /> Employment/ Worker driving from <br /> commercial zones Employment/commercial work to lunch, <br /> Non-home- (office,school, zones (office, school, shopping, errands; Employment VMT <br /> based government, medical, government, medical, business delivery <br /> industrial,food, retail, industrial,food, retail,etc.) trips <br /> etc.) <br /> Source:Fehr&Peers 2020 <br /> The primary VMT metric used in the Travel Demand Model is Project-generated VMT. Project- <br /> generated VMT is a useful tool in measuring the relative change in VMT when comparing different <br /> project alternatives. The primary factors that influence VMT are the availability and locations of <br /> complimentary land use (i.e., how far is the desired destination?) and roadway network (i.e., what is <br /> the fastest route to reach the destination?). <br /> Per Resolution No. 20-4787, the City of Lathrop has selected the following VMT efficiency metrics <br /> that evaluate Project-generated VMT: <br /> • Residential VMT Per Household or Per Resident <br /> • Office VMT Per Employee <br /> • Retail VMT Per Employee <br /> • Industrial VMT Per Employee <br /> To fully account for VMT generated by a project, VMT associated with each vehicle trip is attributed <br /> to both trip origin and destination. For example, if a worker travels from their home in Lathrop to <br /> their office in Manteca, the entire trip length is counted as home-based work, with Residential VMT <br /> generated in Lathrop and home-based work Employment VMT attracted to Manteca. Similarly, if a <br />