scope:

This part of the European Standard specifies the minimum requirements that shall be met by measuring systems fitted on track construction and maintenance machines to give an evaluation of track geometry quality when using one or more of the parameters described in EN 13848-1. It sets out the acceptable differences from EN 13848-1 when using track construction and maintenance machines to measure track geometry.
It applies to all track geometry measuring systems fitted to track construction and maintenance machines after the date of implementation of this standard.