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Page 2 <br /> <br />Annual Collision Analysis 2024 <br />Summary <br />This report summarizes the collisions within the City in 2023 and analyzes trends and patterns to <br />identify changes that can be made to reduce the number of collisions. Reported traffic collisions <br />involving vehicles, bicyclists and pedestrians are reviewed on a weekly basis by Traffic Engineering. <br />The weekly review looks at individual collisions to determine if improvements can be made to improve <br />safety. This annual report takes a comprehensive look at the one-year and three-year trends to identify <br />larger patterns and improvements that can improve safety. <br />Improvements are countermeasures designed to address a collision pattern. The Federal Highway <br />Administration and CalTrans collaborated to match typical collision patterns with proven <br />countermeasures to improve safety by cataloging them into tables which appear in Section 4.2 of the <br />CalTrans Local Road Safety Manual (LRSM). This report utilizes these tables to identify solutions to <br />the City’s collision patterns. The full list of countermeasures is included as an attachment to this <br />report1. <br />Unlike other local road safety plans, which may be renewed every few years, staff elected to <br />commission collision analysis and improvements reports yearly to provide the most flexibility <br />identifying collision trends and implementing countermeasures. <br />Volume Trends <br />The pandemic caused a significant decrease in <br />vehicle traffic and a corresponding decrease in <br />overall collisions. However, traffic has largely <br />returned to at or near pre-pandemic levels. This <br />trend has been reported by multiple <br />transportation agencies and a sampling of key <br />Pleasanton intersections showed the trend <br />locally. <br /> <br />Collision Trends <br />The total number of collisions for the current year <br />was approximately 23% more than the prior year’s <br />number of collisions (340 compared to 275) and <br />35% more than the previous three-year average of <br />252. The total collisions more closely match 2019, a <br />pre-pandemic year. <br />There was one less bicyclist collision this year (32 <br />compared to 33 last year and 29 for the three-year <br />average). Pedestrian collisions decreased by four, <br /> <br />1 The full countermeasures list is included as Attachment “A” to this report <br />411 398 375 347 <br />235 246 276 <br />340 <br />2016 2017 2018 2019 2020 2021 2022 2023 <br />Total Collisions <br />33% <br />56% <br />67% <br />82% <br />72% <br />89% <br />85% <br />83% <br />89% <br />94% <br />92%84% <br />0% <br />20% <br />40% <br />60% <br />80% <br />100% <br />11 <br />/ <br />5 <br />/ <br />2 <br />0 <br />1 <br />9 <br />2/ <br />4 <br />/ <br />2 <br />0 <br />2 <br />0 <br />4/ <br />7 <br />/ <br />2 <br />0 <br />2 <br />0 <br />6/ <br />9 <br />/ <br />2 <br />0 <br />2 <br />0 <br />8/ <br />4 <br />/ <br />2 <br />0 <br />2 <br />0 <br />11 <br />/ <br />3 <br />/ <br />2 <br />0 <br />2 <br />0 <br />2/ <br />4 <br />/ <br />2 <br />0 <br />2 <br />1 <br />3/ <br />1 <br />1 <br />/ <br />2 <br />0 <br />2 <br />1 <br />5/ <br />4 <br />/ <br />2 <br />0 <br />2 <br />1 <br />7/ <br />1 <br />3 <br />/ <br />2 <br />0 <br />2 <br />1 <br />11 <br />/ <br />9 <br />/ <br />2 <br />0 <br />2 <br />1 <br />1/ <br />1 <br />1 <br />/ <br />2 <br />0 <br />2 <br />2 <br />3/ <br />2 <br />9 <br />/ <br />2 <br />0 <br />2 <br />2 <br />5/ <br />1 <br />0 <br />/ <br />2 <br />0 <br />2 <br />2 <br />11 <br />/ <br />1 <br />5 <br />/ <br />2 <br />0 <br />2 <br />2 <br />1/ <br />2 <br />4 <br />/ <br />2 <br />0 <br />2 <br />3 <br />4/ <br />1 <br />8 <br />/ <br />2 <br />0 <br />2 <br />3 <br />6/ <br />6 <br />/ <br />2 <br />0 <br />2 <br />3 <br />8/ <br />8 <br />/ <br />2 <br />0 <br />2 <br />3 <br />11 <br />/ <br />7 <br />/ <br />2 <br />0 <br />2 <br />3 <br />2/ <br />6 <br />/ <br />2 <br />0 <br />2 <br />4 <br />Traffic Volume Change