Time is money and time only marches on. Once a minute has passed, that minute is no longer available for any productive use. In the world of route planning, there are way too many opportunities to have unproductive minutes. Doing manual repetitive tasks or planning less than the best routes can yield quite a bit of time that could be spent elsewhere.
Business to Business (B2B) and Business to Customer (B2C) models require that someone decides how each service order or delivery ticket is assigned to the proper worker or vehicle for last mile delivery. There are three primary methods used for making those decisions: manual routes, static routes, and dynamic routes.