In this paper, we investigate characteristics of motor vehicle collisions in New York City. The data set contains records of every reported collision in NYC from July 2012 through October 2018. We explore the effects of time, location, and contributing factors on the frequency of collisions, as well as the differences between collisions involving pedestrians and cyclists. We find that the number of collisions have been increasing with time, the summer months have more collisions on average, and collisions are more frequent on weekdays. In addition, the most common contributing factors are human-related rather than environmental or vehicular. These factors each have their own patterns with respect to time and location. We also find that cyclists tend to be involved in more fatal collisions than pedestrians.