kind of work and strong advocacy from folks like the san francisco bicycle coalition to pursue us that's why ear here wouldn't have been possible without the the leadership of city hall is please help me welcome mayor ed lee. >> (clapping.) >> thank you ed reiskin and thank you to the mta for working closely with many agencies to put the city's very first protected intersection together and to see how this role can help safety been the premium policy for the streets so thank you to the bicycle coalition, public works and walk sf and livable city working with our city agrees as well right here in a z inspector duffy, see the craft above you on the streets everyone using walking