Abstract: A weight measuring device, especially a device to measure weight from which further parameters of passing vehicles such as speed, acceleration, deceleration, turning to the right and to the left, direction of movement, number and type of axles, condition of individual tires, containing at least two measuring elements (1,2) which contains at least one group (3) of measuring elements (1,2) arranged in a body (4) which is part of the road surface (11), of which at least one is a (body (4) deformation) load measuring element (1) and at least one another measuring element is arranged in the body (4) in such a manner that it is a measuring element (2) with a zero deformation load or with a deformation load different from that of the load measuring element (1).