For easy viewing and visual understanding a Calendar exists to view Routes, jobs and understand anything that is unscheduled at a glance. It can be accessed via: Field Service --> Calendar
Red are unassigned Jobs. Other colors represent different routes or services.
The code nomenclature is:
Where SERVICETYPE = Pickup, delivery, in home service, custom job, etc
Clicking on the route will give you a quick summary of the Route and Jobs to be done