http://www.ted.com/talks/janette_sadik_khan_new_york_s_streets_not_so_mean_any_more.html
In this funny and thought-provoking talk, Janette Sadik-Khan, transportation commissioner of New York City, shares projects that have reshaped street life in the 5 boroughs, including pedestrian zones in Times Square, high-performance buses and a 6,000-cycle-strong bike share. Her mantra: Do bold experiments that are cheap to try out.
As commissioner of the New York City Department of Transportation, Janette Sadik-Khan is responsible for the smooth running of a New York that hides in plain sight... the streets, highways, bridges, signs and lights that make up the bustling metropolis.