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I� TABLE 4.3.3 Transportation Impact Significance Criteria Transportation Significance System Component Criteria Source Street System Structural Increase in Traffic Index (TI)' San Joaquin County Condition over the existing or no project Department of Public Works. level greater than 1.0. September 20, 1993. Intersection Operations > LOS D San Joaquin County Traffic Study Guidelines. June 23, 1993. Intersection Safety Increase in existing accident San Joaquin County rate. Department of Public Works. September 20, 1993. Public Transit Service Project includes transit Bus Transit Policy No. S. San provisions as necessary to Joaquin County General Plan accommodate existing or Transportation Element planned service Volume I Update. May 19, 1992. Bicycles and Pedestrians Project includes bicycle and Bicycles Policy No. 2(a). San pedestrian facilities Joaquin County General Plan necessary to provide logical Transportation Element ® connections to existing or Volume I Update. May 19, planned facilities. 1992. Notes 1 =Tl A measure of comparison for long term effects of traffic weight on the roadway .istructuralconcfltion.. By:. .Kaye Engineering, Inc. A` 1993. 1 ENVIRONMENTAL IMPACTS AND MITIGATION MEASURES S!gniflcance Criteria According to Section ISM of the'Guidelines for Implementation of the California Environmental Quality Act (CEQA), an impact includes: 1. Direct or primary effect that are caused by the project and occur at the same time and place. 2. Indirect or secondary effects that are caused by the project and are later in time or farther removed in distance but are still reasonably foreseeable. Indirect or secondary effects may include growth inducing effects and other effects related to induced changes in the pattern of land use,population density,or growth rate,and related effects on air and water and other natural systems, including ecosystems. The reader should note that all impacts or effects analyzed under CEQA must be related to a physical change. In addition, a significant impact means a substantial or potentially substantial, adverse change in the environment (CEQA, Section 21068). The determiniation of substantial, however, is somewhat subjedW in that it can vary from case to case depending upon the value placed on environmental resources by affected parties. This is one reason many errvironmental documents rely on public policy -93-1 (9-27-93)