raquel nelson and kids stepped off the bus and with the crosswalks up the street and she took her chance and her four year old made the decision for her and following another patron and ran ahead and was killed by a driver under the influence and he left the scene. i come to work everyday so no one has to make that terrible choice in our city. i share that with you so you understand my commitment and my colleagues' commitment to what we do in sfmta and we're lucky to come to work and leave the city in a better place than we found it in makes changes. in terms of the presentation i wanted to give an overview of the sfmta's approaches to schools work. we have multiple programs, all of them are data driven. there's three programs that i'm going to focus on today. safe routes to school is the program that you might be most familiar with but there are many other sfmta programs that directly serve schools and i will also focus on vision zero and our crossing guards program so vision zero as you all know is our policy to eliminate traffic deaths in san francisco by 2024. our work at sfmta is re