Taken theme is of great importance for road safety. It is
necessary to determine the effect of the tires, and used
assistive devices such as chains or spikes on the
characteristics of vehicle traction in winter conditions. It is
also experimental confirmation of the presence, and to
define the role of film in the processes of water on the tire -
road surface, the influence of environmental conditions, and
to create a description of the physical processes occurring in
the contact area.