Navigation service

A method for providing vehicles with a navigation service, the method comprising the steps of:

• building by a mediation server, a group of two or more vehicles, each vehicle comprising a communication unit coupled with a navigation unit, wherein one vehicle of the group is classified as master vehicle leading the group and the remaining vehicles of the group are classified as slave vehicles following the master vehicle;
• storing communication addresses allocated to the communication units assigned to the vehicles of the group, and communicating, by the mediation server the stored communication addresses to the navigation units assigned to the vehicles of the group;
• determining geographical position data of the master vehicle and the slave vehicles;
• communicating geographical position data of the master vehicle and the slave vehicles to one or more data processing units;
• calculating by the one or more data processing units for each of the slave vehicles route instructions in accordance with the route traveled by the master vehicle based on the received geographical position data of the master vehicle and the respective slave vehicle;
• communicating the respective route instructions to a driver of each slave vehicle,
• wherein the vehicles are manually controlled by drivers, and
• wherein the mediation server is remote from the vehicles and all vehicles communicate with each other through the mediation server.