of public health we have our co-chair of our san francisco vision zero task force and commander ann mannox working hard on the vision zero processes in our city and the audience nicole snider and tyler frisbee and many others. with that colleagues i'd like to ask if you have any opening comments supervisor christensen . >> supervisor campos. >> i just want to thank you and thank supervisor yee and kim i look forward to the presentations and suggestions and thank you to the budget analysts for their work as well. >> thank you with that i'd like to invite you to present your findings. >> good afternoon. supervisor mar supervisor campos and supervisor christensen i'm fred r from from the budget and analyst's office. i'm just getting this prepared. today i'm going to summarize the report that we completed at the request of supervisor mar on reduction options in san francisco. i'll start with a quick profile of collision statistics and speeding information in the city. first of all from 2011 the number of vehicle collisions was 3111 of those 844 involved pedestrians and 630 involved bicyclists.