<xs:complexType name="StationSquareAttributeType">
    <xs:complexContent>
      <xs:extension base="uro:SquareUrbanPlanAttributeType">
        <xs:sequence>
          <xs:element name="station" maxOccurs="unbounded" minOccurs="0" type="xs:string"/>
          <xs:element name="route" maxOccurs="unbounded" minOccurs="0" type="xs:string"/>
          <xs:element name="railwayType" maxOccurs="unbounded" minOccurs="0" type="gml:CodeType"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>