A method of providing lane information of a lane and system

The invention relates to a method for providing a tracking information (15) of a lane (8) of a motor vehicle (1), wherein, while the motor vehicle (1) on the lane (8) is moved, a driving trajectory (10) of the motor vehicle (1 ) is determined with respect to a vehicle-external reference system (20), wherein the determined driving trajectory (10) (to a vehicle-external central track information collection means 14) is transmitted, and the (at least on the basis of the transmitted driving trajectory 10) specific track information (15) through the track information providing collecting means (14) at least one further motor vehicle (22).