4_Attachment 1 - Laserfiche WebLink

Bicycle Collision Statistics Similar to the pedestrian collision section, the Location of Bicycle Collisions location, fault and age statistics were reviewed for bicycle collisions to determine if patterns 50% exist. The percentages of bike collisions that 40% occurred in a crosswalk, on a sidewalk, in a bike 30% lane, or simply on the "road" (outside of a bike zo% lane or crosswalk) are shown on the bar graph to the right. Similar to the pedestrian collisions, 10% I the greater number of collisions within a 0% crosswalk does not necessarily indicate reduced crosswalk sidewalk road bike lane safety. •Current Period ■Previous Period Party at fault (bicyclist, driver or unknown) is shown on the bar graph to the right. Similar to Party at Fault in Bicycle Collisions the 25% of pedestrians found at fault, 27% of 800 bicyclists were found at fault (excluding the solo 60% bicycle crashes) with the driver of the vehicle at 40% fault 70% of the time, and the remaining 20%o III percentage did not have a party at fault 0% _ — identified. The percentage of collisions where Bicyclist Driver Unknown the driver was at fault increased (70% this ■Current Period •Previous Period period and 66% last period) with a corresponding decrease in bicyclists found at fault. Bicyclist Age The Bicyclist Age chart shows the differences 60% between age categories. The under 18 category 40% has the largest share of bicycle collisions, 49% (41 of the 84)7. 20% 0% ■■ ■ ■ Collision types under 18 18-35 36-54 55' ■Current Period ■Previous Period Twenty-six percent of all bicycle collisions are "solo" collisions. These crashes occur mainly in two user groups, those under the age of 18, and those over the age of 55. 10 solo crashed under the age of 18 and 9 over the age of 55 (43% and 40% respectively). Twenty percent of bicycle collisions occurred on the sidewalk. Investigating these crashes in greater detail showed that 8% of the sidewalk crashes are solo crashes and 12% involve a vehicle. For the 12% (10 crashes) they are at commercial driveways and the majority of these occur when the bicycle is approaching from the direction opposite the flow of traffic (8 of 10). The party at fault with these collisions are often not identified, but the testimony within the collision reports show that many result There are 84 collisions in the current period where age of the bicyclist was determined (there were 85 total bicyclist collisions) Page 10 The previous 10 years with no collisions indicate that the visibility and warning of the roundabout is adequate. Green street guidance signs are present approaching the roundabouts to provide warning, and staff will evaluate if additional warning can be placed on the approaches. No correctable patterns were identified at the remaining intersections. Page 6 Avenue was not on the list for the first time, with only two collisions last year. Similarly Hopyard Road at Stoneridge Drive also had two crashes. Both of these intersections average 6+ crashes per year historically. The top three intersections are described below as well as any intersections where staff identified patterns/improvements. Foothill Road at Dublin Canyon Road / Canyon Way This is the first time this intersection has been on the top 10 list. The period from 2017 to 2020 the intersection had a total of 9 collisions. Ten collisions in one year is three times the normal rate for this intersection. It should also be noted that this intersection continues to experience lighter than usual traffic with 25,000 vehicles per day compared to the pre-pandemic volume of 45,000 per day. This continued low volume can be attributed to the low ridership on BART and the continued work from home by most of the office building businesses around Stoneridge Mall. The intersection was modified in June of 2020. The southbound alignment was altered slightly to allow the addition of a third southbound left turn lane. Page 5