Mayor de Blasio has set an ambitious goal of reducing traffic fatalities to zero within 10 years. Here's what he's up against: An average of 140 pedestrians were killed in traffic accidents in the city between 2010 and 2012, according to the study, which relied on federal government figures. The NYPD's statistics are even higher, with 434 pedestrians killed between 2010 and 2012, for an average of 148 per year. And 2013 surpassed that average; there were 173 pedestrian deaths last year, according to the NYPD.