This European Standard definesThe minimum requirements forThe quality levels of track geometry, and specifies the safety related limits for each parameter as defined in EN 13848-1.This standard coversThe following topics:description of quality levels; relative importance of parameters; immediate action limit; considerations on other quality levels.This European Standard applies to high-speed and conventional plain line of 1435 mm and wider gauge railways provided thatThe vehicles operated on those lines comply with EN 14363 and other vehicle safety standards. For lines covered byThe high speed infrastructure TSI,The requirements stated inThe HS INS TSI prevail. Any track geometry parameter not covered byThe HS INS TSI needs to be compliant withThis European Standard.