https://structurae.net/en/structures/bridges/bicycle-and-pedestrian-bridges
https://architizer.com/blog/inspiration/collections/bridging-the-gap/
https://www.bcliving.ca/the-dream-pedestrian-and-bike-only-bridges-around-the-world Unfortunatly, the Vancouver, BC approach is to reduce lanes on bridges, because the city is too cheap to build a series of bike and bus bridges.
