>> mary lauren hall. swarts, and kaplin of >> i am with the alliance for biking and walking and an organization based in washington, d.c., we focus on biking and walking issues and i am here today to give you a little bit of context about what is happening in our cities across the country. we are really seeing that after 40 years of being with the care and urban centers are experiencing a boom in growth much like san francisco is. and what is interesting about this boom in urban growth is that it is the first time that this has happened since we billed out the national infrastructure for the highways and the automobile age and it is a great news for the economy and small business and because it means more of a customer base and it is also a bad things for businesses in the transportation planning where we had been used to the planning for the automobile only road space and it is just the case that when you have thousands of people moving through a city, getting everybody from point a to b by a car is not