Navigation and route planning system for use in road vehicle has input, output, map data store, emissions restriction data store and interface

摘要

The road vehicle navigation and route planning system (1) has an input (2) and an output (3) connected to a central navigation computer (4). The computer is connected to an interface (7). There are also connections to a map data store (5), and an emissions restriction data store (6). The map data store may contain information on road gradients, road surfaces, hazards there is be encountered etc.