I tried the following code and the features drawn seem identical to the ArcGIS.com map.
<Grid x:Name="LayoutRoot" Background="White">
<esri:Map x:Name="MyMap">
<esri:Map.Extent>
<esri:Envelope XMin="-184882.421916012" YMin="123158.170931756" XMax="1586575.68339895" YMax="2191434.90223097">
<esri:Envelope.SpatialReference>
<esri:SpatialReference WKID="2868"/>
</esri:Envelope.SpatialReference>
</esri:Envelope>
</esri:Map.Extent>
<!--<esri:ArcGISDynamicMapServiceLayer Url="http://gismaps.pagnet.org/ArcGIS/rest/services/PAG_TrafficCounts/MapServer"/>-->
<esri:FeatureLayer Url="http://gismaps.pagnet.org/ArcGIS/rest/services/PAG_TrafficCounts/MapServer/4" Initialized="FeatureLayer_Initialized"/>
<esri:FeatureLayer Url="http://gismaps.pagnet.org/ArcGIS/rest/services/PAG_TrafficCounts/MapServer/3" Initialized="FeatureLayer_Initialized"/>
<esri:FeatureLayer Url="http://gismaps.pagnet.org/ArcGIS/rest/services/PAG_TrafficCounts/MapServer/2" Initialized="FeatureLayer_Initialized"/>
<esri:FeatureLayer Url="http://gismaps.pagnet.org/ArcGIS/rest/services/PAG_TrafficCounts/MapServer/1" Initialized="FeatureLayer_Initialized"/>
<esri:FeatureLayer Url="http://gismaps.pagnet.org/ArcGIS/rest/services/PAG_TrafficCounts/MapServer/0" Initialized="FeatureLayer_Initialized"/>
</esri:Map>
</Grid>
private void FeatureLayer_Initialized(object sender, EventArgs e)
{
FeatureLayer layer = sender as FeatureLayer;
System.Diagnostics.Debug.WriteLine("{0}-{1}", layer.LayerInfo.Name, layer.Renderer.GetType());
}