>> alfred yee was geary -- fulton, i believe. >> it was 26th and geary. it was a high-injury corridor. >> and sofie lu was on polk street. >> and when the young teenager from lowell in 2013 was killed, high-injury corridor. >> don't exactly know which slope that was. >> so i guess my point, 13 miles strategically is very important, but if we identify all the high-injury corridors, my hope is that we move as quickly as possible in our g-ration strategy, but also to realize there are many, many more miles to reach as well. especially if our goal is about 2024 to reduce any deaths. that is why it was a shock to hear about this 12-year-old as we try to move forward strategically. >> i absolutely agree that we need to continue to make improvements across the corridors. in supervisor yee's district, those are not high-crash corridors, but we're continuing to move through neighborhood traffic calm, school safety and traditional traffic engineering devices like stop signs and speed radar boards. those things are effective everywhere,? >> the high-injury network i