Like the radius of the zone, the radius of the pickup area that drivers see ("nearby radius), etc. <img width="1216" alt="screen shot 2018-11-06 at 4 45 53 pm" src="https://user-images.githubusercontent.com/1668/48103387-b37dec00-e1e3-11e8-8fee-10ff00979bcb.png">
Like the radius of the zone, the radius of the pickup area that drivers see ("nearby radius), etc.