A method for influencing the traffic flow of vehicles within a route section (10) in which the actual speed of a first vehicle travelling within the route section (10) is measured, at an actual speed which is the same as or higher than a predefined limiting value, signal-generating means (26, 28) which are assigned to the vehicle transmit at least one signal which can be received, in particular by another vehicle which is travelling in the route section (10) or the driver of the other vehicle, and which represents the fact that the limiting value has been reached or exceeded, and the signal which represents the fact that the limiting value has been reached or exceeded is received by a suitable receiver, in particular a receiver of the other vehicle, and triggers the recording and/or storage of a corresponding item of information, which represents the fact that the limiting value has been reached or exceeded, in a suitable storage medium, in particular in a storage medium of the other vehicle, and a system for carrying out the method.