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One method for organizing assignments in a digital dispatch system is to use a zone map system.
The predefined order is created by persons with expertise in the service being provided, local geography, traffic, and patterns in service call. In assigning resources to a zone, decision-makers (server or dispatcher) may consider that responding units must drive around freeways, lakes, or terrain obstructions in order to reach a zone.
Zone boundaries and designations will periodically change as communities grow or lessons are learned during day-to-day operations. Consider a zone with an irrigation canal defining one boundary. If a car crashes into the canal, in which zone is it in?
Zone systems may include standby, move-up, or backfill points. For example, taxi drivers working in a certain zone in the evening hours may expect night club patrons to need a ride.
If automatic vehicle location is available, it would display service vehicles locations on a map. The closest unit would be interpreted by the dispatcher looking at vehicle locations projected on the map. Dialie has resolved the problems due to a zone dispatching and improved the service to the passengers.