reynolds >> i'm selena reynolds with the sfmta. i'm also the chair of the vision zero engineering subcommittee. so just taking a baby step back about a year ago we initiative an effort you called walk first was one of the try partnerships of the financial arm of the city and the department of public health and the mta to really take a comprehensive look at pedestrian safety in order to come up with a capital plan so we looked over 23 pedestrian crash records from around the city my looked at the combination of the police reporting and the physical environment to categorize all those crashes and get a better understanding of who were involved and looked at the practice in terms of research on a national level on the specific engineering issues would result in a reduction of pedestrian crashes and took those those data points and prioritized the projects based on the orderly adults and children who were involved in the fatality crashes and giving special emphasis on the community concerns to make sure we were getting a broad coverage