Dataviz: Why Do City Buses Bunch Up? June 19, 2015 by Janine Popick·0 Comments Thanks Flowing Data for bringing us the awesome interactive dataviz from Lewis Lehe, PhD candidate in transportation engineering, that answers a city-dwellers age-old question: why the hell do buses bunch up at a stop? Simply click fast on one of the buses to show a short delay and you’ll see how the bunching begins. Click here for more awesome dataviz we find on the web! Related posts: No related posts.