Metadata

A JSON (JavaScript Object Notation) file containing version information will be supplied with the product, including the information given in the table below:

Attribute Name	Source	Data Type	Additional Information
filename	osopenusrn_YYYYMM	Text	Filename with the publication date of OS Open USRN
productPublicationDate	date of OpenUSRNs product publication	Date	Format YYYY-MM
sourceProduct1.productName	"OS MasterMap Highways Network"	Text	Constant
sourceProduct1.productPublicationDate	publication date of Highways release	Date	Format YYYY-MM