NBN EN 13848-1:2004

This EN specifies the requirements for homologation of track geometry quality parameters as measured by recording vehicles and by manually operated devices. The standard applies to all relevant track geometry parameters including track gauge, longitudinal level, alignment, cross-level (cant/superelevation) and twist. It does not however deal with conicity or railhead profile matters. It defines each parameter and specifies the requirements for measurement, the analysis methods and the presentation of results.