The railway infrastructure is a tracks with all the appropriate facilities plants and
other devices, which are in function at the railway traffic.
Rails as an important part of the railway infrastructure have exactly level of
quality. In Europe, the quality of rails is prescribed by international standards, the
European Union of Railways UIC 860 and EN13674.
In other vital parts of railway infrastructure in order to: increase the speed of
trains, increasing the axles loads of trains and locomotives traction and increasing the
density of traffic and increase resistance to harmful influences of the environment
(environmental aspects), required and improve the quality of rails.
The European Union standards for railways (UIC) have agreed national standards
of different countries