using (var fileStreamRead = File.OpenRead(@"D:\Work\MapRedraw_V6\FilteredPBF\tmpBoundingArea.osm.pbf"))

                {

                    var source = new PBFOsmStreamSource(fileStreamRead);

​

                    var filtered = from osmGeo in source

                                   where osmGeo.Type == OsmSharp.OsmGeoType.Node ||

                                    (osmGeo.Type == OsmSharp.OsmGeoType.Way && osmGeo.Tags != null && osmGeo.Tags.Contains("highway", "road"))

                                   select osmGeo;

​

                    var features = filtered.ToFeatureSource();

​

                    var lineStrings = from feature in features

                                      where feature.Geometry is LineString

                                      select feature;

​

                    var featureCollection = new FeatureCollection();

​

                    foreach (var feature in lineStrings)

                    {

                        featureCollection.Add(feature);

                    }

                }