This visualization is the use of data from Waze users (a mobile application providing free turn-by-turn navigation based on the live conditions of the other Waze users) combined with passive traffic data. The pulsating circles are alerts from users reporting hazards, traffic jams, highway patrol, and communicating with one another. While the lines are trips made by Waze users, the way that they work is when they first appear in white the trip is starting, then once the trip has been completed they fade to gray.
This shows that by using a length of time can be a good way to show that the data has changed. Also with this example it shows that colour is a way of showing different categories that you may have within your data. I will take this analysis and see if i can apply it to my idea in some way.
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