again, i'm megan weir and i'm the co-chair and i also work for the public health department. so traffic injury has and is a real problem in san francisco with respect to public health. recently we've had approximately 30 people killed each year on our streets and another approximately 500 people hospitalized with severe injuries at our public hospital, zuckerburg san francisco general hospital. we estimated that approximately $35 million in medical costs alone per year and our city surgeons respond to a serious traffic injury approximately every 17 hours. we are working closely with the hospital as a part of vision zero and rebecca plevin, a doctor at the hospital, i invited her to come today to just, again, this is an important issue and to better understand the concerns specifically of the disability community. half of the patients at our trauma center are people injured in traffic collisions and in doing this work and thinking of being here today, from vision zero is fundamentally focused on eliminating traffic deaths and prevention but we also know that many people sustai