Predefined stylesheets for OS MasterMap Highways Network are available for download from the OS MasterMap Highways Network GitHub repository. To download a ZIP containing all stylesheets, navigate to Code > Download ZIP.
Schema files are used to interpret the Geography Markup Language (GML) files and translate it into a suitable data format by your chosen software; however, we are aware that some firewalls will block access to these. In these instances, it is suggested that you download the schemas from the OS MasterMap Highways Network GitHub repository.