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DRAFT 3. Circulation Element <br />many of the needed projects. In addition, Assembly Bill 1600, enacted in 1987, requires that a nexus be <br />established between the development and the need for improvements. The Traffic Impact Fee is <br />based on the number of evening peak-hour trips a development will contribute to the circulation <br />network. The fee is the primary means of payment for the construction of local infrastructure <br />improvements. However, major projects which directly create traffic impacts to identified local <br />intersections will continue to be subject to improving those intersections or paying apro-rata share <br />contribution towards their improvement. <br />Proposed Traffic Management Improvements <br />In order to make roadway improvements effective, additional traffic mitigations should be installed. <br />Traffic signals, for example, are a critical mechanism to ensure the safest and most efficient flow of <br />traffic. Figure 3-2, page 3-6, shows existing traffic signal locations and those proposed to facilitate the <br />free flow of traffic at potentially congested intersections. <br />Traffic counts are another mechanism used by the City to ensure that roadway improvements are <br />effective and traffic is flowing according to projections. The City undertakes regular traffic counts on <br />major arterial and collector streets throughout the community. Average daily traffic counts are <br />conducted at over 100 locations, and peak-hour turning movement counts are taken at 57 major <br />intersections. These existing traffic counts are then used to verify future traffic volumes and service <br />levels throughout the community. The City uses this information to monitor traffic increases over <br />time and improvements in traffic flow caused by roadway and other improvements. This information <br />also serves as the basis for analyzing the traffic impacts of individual development projects. The <br />overriding purpose of these traffic studies is to anticipate and mitigate traffic congestion on City streets <br />according to adopted standards. <br />The City has established a computerized traffic monitoring and signalization system. The Central <br />Traffic Computer and Monitoring System is used to produce a regular Baseline Traffic Report which <br />depicts current and projected traffic conditions for all existing plus approved development. These <br />projections of "existing plus approved" are a midway point between "existing" counts and "buildout" <br />projections and help determine when new major improvements will be necessary to avoid traffic <br />congestion. In addition to the "existing plus approved" projections, a "five-year projection" is made <br />of those developments deemed likely to be built within the next five years. <br />Potential Problem Intersections and Mitigations <br />Table 3-8, above, lists critical intersections and needed improvements. This table and Figure 3-10 <br />detail the needed mitigation measures identified through the traffic model run for buildout conditions. <br />Circulation Element 012908 clean 3-34 City Council 012908 <br />