US Patent 9068852 Vehicle fleet routing system

A vehicle management system is described herein that can perform a variety of features related to managing fleets of vehicles. For example, the vehicle management system includes a routing module that can perform a variety of functions. Some of these functions can include determining a first route between locations using a simplified routing network and then determining a second route between the locations using a more exhaustive routing network. Further, the routing module can store information about the natural flow through intersections, improving control of routes through intersections. Some or all of these features may be used together, or any of these features may be omitted in any given embodiment.