1. A method for operating a navigation appliance having a central processor unit and a storage medium which contains a digitized map, comprising the following steps: entering a route using destination coordinates which can be selected on the map, receiving traffic jam data via an external source, displaying a calculated route and the respective traffic jam data, displaying a route section with a traffic jam graphically, output of received traffic jam data on an output unit in editable form, reception of editing commands for the output traffic jam data from an input device, calculation of a new route or route section taking into account the edited traffic jam data following reception of a calculation command via the input device.