This is a version of the vehicle collisions dataset used in the following paper:
Data Polygamy: The Many-Many Relationships among Urban Spatio-Temporal Data Sets, F. Chirigati, H. Doraiswamy, T. Damoulas, and J. Freire. In Proceedings of the 2016 ACM SIGMOD International Conference on Management of Data (SIGMOD), 2016
The dataset includes traffic collision data provided by NYPD, from 2012 to 2014.
The original data is available at the NYC Open Data portal: https://data.cityofnewyork.us/d/h9gi-nx95?category=Public-Safety&view_name=NYPD-Motor-Vehicle-Collisions