>> being a pedestrian in san francisco is not easy for anybody. >> [inaudible] people push tables and chairs outside the sidewalk. >> i have to be careful not to walk the sidewalk. it is very hard.

>> sometimes people get half way across the intersection. >> you have to be alert because there is always something coming up that you need to know about. >> i learned to listen to the traffic patterns. sometimes i notice the other pedestrians, they are crossing, on occasion, i have decided i'm going to cross, too. i get to the middle of the intersection, and i find out that the light has changed. >> we need to be able to work and go from one place to the other and have public transportation. the world needs to be open.

>> people on disability has the task of addressing all the disability. when we are talk about the sidewalks, ramps, we have very specific issues. for people blind and low vision, we have the issue of knowing where they are and when the cross. it can be hit or miss. >> at hulk and grove, that sound the the automatic -- it helps people cross the street safely. >> now we have a successful pedestrian signal. >> i push the button, i get an

audible message letting me know that i need to wait. when it is safe to cross, not only am i going to get an audible indicator, this button is going to vibrate. so it tells me it is safe. there is the driller sound and this trigger is vibrating. i am not relying on anything but the actual light change, the light cycle built into it. >> it brings san francisco from

one of the major cities in the u.s. to what is going to be the lead city in the country. >> city working on all sorts of things. we are trying to be new and innovative and go beyond the ada says and make life more successful for people. >> disability rights movement, the city has the overall legal obligation to manage and maintain the accessibility and right of way. with regards to the curb ramps, bounded by a groove border, 12-inch wide border.

for people with low vision to get the same information. the shape of the domes, flush transition between the bolt bottom of the ramp and gutter. >> we have a beveled transition on the change in level,