"Converting an existing constrained #BikeLane to a #ProtectedBikeLane can be expected to reduce motor vehicle-bike #crashes by over 50%. A decade-long look at protected bike lanes in a dozen U.S. cities found that all street users–people in #cars, people #walking, people #biking–experience safety benefits from protected bike lanes.” — from National Association of City Transportation Officials (NACTO)
Urban Bikeway Design Guide, Third Edition https://nacto.org/latest/urban-bikeway-design-guide-protected-bike-lanes/