<xs:complexType name="RoadStructureAttributeType">
    <xs:complexContent>
      <xs:extension base="uro:RoadAttributeType">
        <xs:sequence>
          <xs:element name="widthType" minOccurs="0" type="gml:CodeType"/>
          <xs:element name="width" minOccurs="0" type="gml:LengthType"/>
          <xs:element name="numberOfLanes" minOccurs="0" type="xs:integer"/>
          <xs:element name="sectionType" minOccurs="0" type="gml:CodeType"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>