This standard BS EN 13450:2002 Aggregates for railway ballast is classified in these ICS categories:
91.100.15 Mineral materials and products
93.100 Construction of railways
This European Standard specifies requirements for natural crushed unbound aggregates for use in construction of railway track. For the purposes of this standard the aggregate is referred to as railway ballast. The necessity for testing for all properties specified in this standard is limited, depending upon the end use of the railway ballast.
