Level of traffic stress-based classification: A clustering approach for Bogotá, Colombia.

•Data-informed methodology calculates the level of traffic stress of cyclists.•Method scales to massive data sets by coupling a classifier with a predictive model.•Methodology tested on the road network of Bogotá (Colombia)•Web-enabled dashboard supports policy making and interventions to reduce stress.•Number of bicyclists’ collisions per kilometer correlates with higher stress.