As ridership in a given community increases, everyone's quality of life goes up. In such cases, increased driver awareness and reduced biker isolation increase

As ridership in a given community increases, everyone's quality of life goes up. In such cases, increased driver awareness and reduced biker isolation increases safety for everyone -- drivers and pedestrians included. Slowing cars down on streets where bikers and pedestrians are present will save many lives, mostly those in cars, additionally some who are not.