The heroku-side code for expeiment described in the article:
Oudshoorn, M. P. J., De Winter, J. C. F., Bazilinskyy, P., & Dodou, D. (2021). Bio-inspired intent communication for automated vehicles. Transportation Research Part F: Traffic Psychology and Behaviour, 80, 127-140. https://doi.org/10.1016/j.trf.2021.03.021