A worrying story from the NY Times:
For years, the New York City Transportation Department has held a trump card in the roiling debate over its many roadway interventions: When officials said the measures, like pedestrian plazas and bike lanes, had made streets safer, the numbers appeared to back them up.
http://www.nytimes.com/2012/09/27/nyregion/in-reversal-new-york-city-tra...
