1. A method of transmitting digitally encoded traffic messages, the traffic messages being transmitted according to a standardized structure, in particular according to the TMC method, where a header precedes the digitally encoded traffic messages, and the digitally encoded traffic message is followed by at least one additional item of information, and one of these items of information contains a place description, wherein the additional information is divided into classes, each class having a class identifier and at least one packet, and one class contains presentation data.