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City-Based Arterial Cut-Through Traffic: Traffic with either an origin or <br />destination in the city but which uses local arterial routes rather than freeway <br />(regional) mutes. This traffic is difficult to characterize and to quantify in model <br />runs, although the traffic model does route local traffic in this manner. Examples <br />include a shopping trip from Fairlands to Stoneridge Mall which uses West Las <br />Positas Blvd.-Stoneridge Dr. instead of the parallel 1-580 route, and the commuter <br />trip which exits 1-580 at Foothill Rd. and uses local arterials to reach a destination <br />easterly of Santa Rita rather than using 1-580 to Santa Rita Rd. These trips add to <br />total local street mile use, add traffic to more intersections, and, by contributing to <br />local intersection congestion, may increase neighborhood cut-through traffic. <br /> <br />Neighborhood Cut-Through Traffic: Traffic with no origin or destination in a <br />"neighborhood" which uses local collector streets in lieu of congested arterials, or <br />traffic with a neighborhood trip end which uses local collector streets when arterial <br />street routes are available and which would be used if they operated efficiently. <br />The second part is a much more debatable definition: Is a trip beginning at <br />Montevino-Vineyard which uses Touriga-Concord to reach Vintage Hills School <br />"reasonably" to be expected to use Vineyard-Bemal-Kottinger-Concord instead, <br />since it minimizes total street miles on local neighborhood collectors? Is a shopper <br />beginning at Sandalwood-Muirwood to be expected to back-track to West Las <br />Positas to use Foothill to reach Stoneridge Mall rather than to proceed down the <br />Muirwood-Springdale route? Implementation of the City's traffic calming program <br />to date shows there is no easy definition or policy for many of these trips, but it is <br />clear that an efficiently functioning arterial system would attract through traffic to <br />these streets. <br /> <br />Looking at the sources of local traffic and its origins and destinations is helpful in <br />understanding the traffic modeled on various routes. For Pleasanton in the "Existing Plus <br />Approved" scenarios A, B and C, the jobs-housing ratio is out of balance and, coupled with <br />other convenient job opportunities for Pleasanton workers, the in-commute of workers is <br />large. Workers come to North Pleasanton business parks and the Bemal/Sunol business <br />parks primarily from the north, east and west. When freeway access is impeded due to <br />congestion, some of this traffic uses alternative routes on local streets. Accommodating <br />this local worker traffic is the largest mission for most local streets in the peak hour. Using <br />generally the same routes are homeward-bound Pleasanton resident workers leaving the <br />freeways from job sites outside of Pleasanton and using local streets to retum home, as job <br />locations are predominantly north and west. Pleasanton residents with south-based jobs <br />tend to use home-bound routes impacted by cut-through traffic, not routes heavily used by <br />Pleasanton workers. Retail trips are generally only important as a major source in the <br />Stoneridge Mall area in the afternoon. School-based trips are unimportant in the afternoon <br />peak hour, but dominate many routes in the morning. In the future, aftemoon cut-through <br />traffic will occur on cut-through routes in both directions. <br /> <br />The traffic model identifies regional cut-through traffic and can be used to show some of <br />the city-based arterial cut-through traffic. The model is not fine-grained enough to identify <br />all neighborhood cut-through traffic, but it identifies some of the major routes. Policy <br /> <br />8 <br /> <br /> <br />