As NYC's Transportation Commissioner, Janette Sadik-Khan managed the seemingly impossible and transformed the streets of one of the world s greatest, toughest cities into dynamic spaces safe for pedestrians and bikers. Her approach was dramatic and effective: she rewrote the rule book and involved local artists in a radical approach to city planning. In Streetfight, Sadik-Khan writes about the struggles she faced while making her approach work, and how it is now being implemented.