How do the main contributing factors for accidents vary over the years?

Observations from the data:

• Driver inattention / distraction has been the leading cause of accidents over the years.


• Accidents due to Driver Inattention / Distraction has been increasing over the years.


• May-Aug 2016 have very little accidents probably due to missing data collection


• The top contributing factors leading to accidents have approximately the same proportion over time.


• The top 10 reasons for accidents seem to increase over the years.

Sources:

• Data: NYPD Motor Vehicle Collisions | NYC Open Data


• Slider: Adapted from Mike Bostock's page | bl.ocks

Created by Aakanksha Joshi, Adarsh Chavakula, Harsheel Soin and Deepak Maran for the course STATGR5702: Exploratory Data Analysis and Visualization at Columbia University in the City of New York (Spring 2018)