Monday, September 05, 2016

Mapping London Traffic Accidents

Visualizing TFL Accident Data is an interactive map of 2015 traffic accidents in London. The map shows the locations of Transport for London recorded road accidents across the capital.

The circular markers on the map are scaled to visualize the number of accidents at a location and color-coded to show the severity of each accident. If you select a marker on the map you can view details on the type of vehicles involved and the age of the victims.

You can filter the data shown on the map using the graphs in the map side panel. If you click on the vehicle icons you can select to view traffic accidents by vehicle type. You can also filter the results by age group and by the severity of the accident.

The map itself was created with the Google Maps API and uses D3.js for the scaled markers and the data charts used in the side panel.
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