Here are some facts from Ron Swenson.

Will “Little Nudges” Slow Drivers Down to New NYC Speed Limit?

"... an ambitious campaign to reduce the city’s 4,000 annual pedestrian injuries and 250 deaths through citywide strategies that include stricter enforcement and safer design...

“It really emphasizes the vulnerability of the human body to vehicles,” Williams says. When the firm tested their concept on focus groups, she says, drivers showed a marked changed.

https://nextcity.org/daily/entry/new-speed-limit-nyc-change-takes-effect-25-mph-deblasio

Data (TED link):

We've also got to make our cities safer, more inclusive, and livable for all. The fact is, social cohesion matters. Mobility matters in our cities. We've got to get away from this model of segregation, exclusion, and cities with walls. My favorite example of how to do this comes from Medellín. When I lived in Colombia in the late 1990s, Medellín was the murder capital of the world, but it changed course, and it did this by deliberately investing in its low-income and most violent areas and integrating them with the middle-class ones through a network of cable cars, of public transport, and first-class infrastructure, and in the process, it dropped homicide by 79 percent in just under two decades. 

Data (TED link)

We've also got to make our cities safer, more inclusive, and livable for all. The fact is, social cohesion matters. Mobility matters in our cities. We've got to get away from this model of segregation, exclusion, and cities with walls. My favorite example of how to do this comes from Medellín. When I lived in Colombia in the late 1990s, Medellín was the murder capital of the world, but it changed course, and it did this by deliberately investing in its low-income and most violent areas and integrating them with the middle-class ones through a network of cable cars, of public transport, and first-class infrastructure, and in the process, it dropped homicide by 79 percent in just under two decades. 

NYC’s $138 Million Pothole Problem

"Comptroller Scott M. Stringer announced last week that in the last six years, claims related to pothole injuries and damages have cost New York City taxpayers about $138 million... 

In total, drivers filed over 12,286 claims in the past six years — 1,549 were settled, costing the city about $1.5 million, according to the report.

There were far fewer personal injury claims — 5,913 over the past six years — but 2,681 of those were settled for a total of $136.3 million.

https://nextcity.org/daily/entry/new-york-city-pothole-related-claims-cost-138-million