HEPData beyond HEP

The HEPData Database has been built up over the past four decades as a unique open-access repository for scattering data from experimental particle physics; it currently comprises data derived from several thousand publications. HEPData is the main source of experimental data for tuning and validating models of high-energy physics processes that are implemented in Monte Carlo event generators. R&D is currently in progress to extend HEPData, with the intent to make it an open-access reference also for the validation of physics models implemented in Monte Carlo particle transport codes.