GML schema definition for the EuroRoadS AttributeBase package, version 1.0 GML definition of the EuroRoadS class ER_RoadAttribute GML definition of the EuroRoadS class ER_RoadNodeAttribute GML definition of the EuroRoadS class ER_LinkAttribute GML definition of the EuroRoadS class ER_RoadLinkAttribute GML definition of the EuroRoadS class ER_FerryLinkAttribute GML definition of the EuroRoadS class ER_RoadnetElementAttribute GML definition of the EuroRoadS class ER_ComplexRoadnetElementAttribute