An article arguing against separation of road users and for a greater understanding between them. I think there are deeper rifts which are not covered by the article, such as the problems of air pollution and climate change, which would suggest a need to demotorise our roads as a priority.
https://theconversation.com/drivers-v-cyclists-its-like-an-ethnic-conflict-which-offers-clues-to-managing-road-wars-139107