test.gml

<?xml version="1.0" encoding="UTF-8"?>
<RoadNetwork xmlns:gml="http://www.opengis.net/gml" xmlns:ts="http://tsusiatsoftware.net/gml">
  <gml:featureMember>
    <RoadSegment fid="1">
      <ts:id>1</ts:id>
      <ts:type>HWY</ts:type>
      <ts:lanes>4</ts:lanes>
      <ts:Geometry>
        <gml:LineString>
          <gml:coordinates>
            1.0,1.0 2.0,2.0 
          </gml:coordinates>
        </gml:LineString>
      </ts:Geometry>
    </RoadSegment>
  </gml:featureMember>
  <gml:featureMember>
    <RoadSegment fid="2">
      <ts:id>2</ts:id>
      <ts:type>CITY</ts:type>
      <ts:lanes>2</ts:lanes>
      <ts:Geometry>
        <gml:LineString>
          <gml:coordinates>
            10.0,10.0 20.0,20.0 
          </gml:coordinates>
        </gml:LineString>
      </ts:Geometry>
    </RoadSegment>
  </gml:featureMember>
  <gml:featureMember>
    <RoadSegment fid="3">
      <ts:id>3</ts:id>
      <ts:type>CITY</ts:type>
      <ts:lanes>2</ts:lanes>
      <ts:Geometry>
        <gml:LineString>
          <gml:coordinates>
            100.0,100.0 20.0,20.0 300.0,300.0 400.0,400.0 
          </gml:coordinates>
        </gml:LineString>
      </ts:Geometry>
    </RoadSegment>
  </gml:featureMember>
</RoadNetwork>