diff --git a/src/pfaedle/osm/OsmBuilder.cpp b/src/pfaedle/osm/OsmBuilder.cpp
index 7696ae8..ce25f98 100644
--- a/src/pfaedle/osm/OsmBuilder.cpp
+++ b/src/pfaedle/osm/OsmBuilder.cpp
@@ -21,6 +21,7 @@
 #include "pfaedle/osm/OsmBuilder.h"
 #include "pfaedle/osm/OsmFilter.h"
 #include "pfaedle/osm/Restrictor.h"
+#include "pfaedle/osm/source/PBFSource.h"
 #include "pfaedle/osm/source/XMLSource.h"
 #include "util/Misc.h"
 #include "util/Nullable.h"
@@ -41,6 +42,7 @@ using pfaedle::osm::source::OsmSourceNode;
 using pfaedle::osm::source::OsmSourceRelation;
 using pfaedle::osm::source::OsmSourceRelationMember;
 using pfaedle::osm::source::OsmSourceWay;
+using pfaedle::osm::source::PBFSource;
 using pfaedle::osm::source::XMLSource;
 using pfaedle::trgraph::Component;
 using pfaedle::trgraph::Edge;
@@ -87,8 +89,13 @@ void OsmBuilder::read(const std::string& path, const OsmReadOpts& opts,
     getKeptAttrKeys(opts, attrKeys);
 
     OsmFilter filter(opts);
+    OsmSource* source;
 
-    OsmSource* source = new XMLSource(path);
+    if (util::endsWith(path, ".pbf")) {
+      source = new PBFSource(path);
+    } else {
+      source = new XMLSource(path);
+    }
 
     // we do four passes of the file here to be as memory creedy as possible:
     // - the first pass collects all node IDs which are
@@ -119,6 +126,8 @@ void OsmBuilder::read(const std::string& path, const OsmReadOpts& opts,
     LOG(DEBUG) << "Reading kept nodes...";
     readNodes(source, g, intmRels, nodeRels, filter, bboxNodes, &nodes,
               &multNodes, &orphanStations, attrKeys[0], intmRels.flat, opts);
+
+    delete source;
   }
 
   LOG(DEBUG) << "OSM ID set lookups: " << osm::OsmIdSet::LOOKUPS
@@ -327,7 +336,13 @@ void OsmBuilder::filterWrite(const std::string& in, const std::string& out,
   // always empty
   NIdMultMap multNodes;
 
-  OsmSource* source = new XMLSource(in);
+  OsmSource* source;
+
+  if (util::endsWith(in, ".pbf")) {
+    source = new PBFSource(in);
+  } else {
+    source = new XMLSource(in);
+  }
 
   BBoxIdx latLngBox = box;
 
@@ -371,6 +386,8 @@ void OsmBuilder::filterWrite(const std::string& in, const std::string& out,
   readWriteRels(source, &wr, &ways, &nodes, filter, attrKeys[2]);
 
   wr.closeTags();
+
+  delete source;
 }
 
 // _____________________________________________________________________________
diff --git a/src/pfaedle/osm/source/OsmSource.h b/src/pfaedle/osm/source/OsmSource.h
index 3707bb7..6eb788b 100644
--- a/src/pfaedle/osm/source/OsmSource.h
+++ b/src/pfaedle/osm/source/OsmSource.h
@@ -48,6 +48,8 @@ class OsmSource {
   virtual const OsmSourceRelation* nextRel() = 0;
   virtual void cont() = 0;
 
+  virtual ~OsmSource() {};
+
   virtual util::geo::Box<double> getBounds() = 0;
 
   virtual void seekNodes() = 0;
diff --git a/src/pfaedle/osm/source/PBFSource.cpp b/src/pfaedle/osm/source/PBFSource.cpp
new file mode 100644
index 0000000..28f0a62
--- /dev/null
+++ b/src/pfaedle/osm/source/PBFSource.cpp
@@ -0,0 +1,78 @@
+// Copyright 2024, University of Freiburg,
+// Chair of Algorithms and Data Structures.
+// Authors: Patrick Brosi <brosi@informatik.uni-freiburg.de>
+
+#include "pfaedle/osm/source/PBFSource.h"
+#include "util/Misc.h"
+
+using pfaedle::osm::source::PBFSource;
+using pfaedle::osm::source::OsmSourceNode;
+using pfaedle::osm::source::OsmSourceWay;
+using pfaedle::osm::source::OsmSourceRelation;
+using pfaedle::osm::source::OsmSourceRelationMember;
+using pfaedle::osm::source::OsmSourceAttr;
+
+// _____________________________________________________________________________
+PBFSource::PBFSource(const std::string& path) : _path(path) {
+  std::cout << "Init PBF source" << std::endl;
+}
+
+// _____________________________________________________________________________
+const OsmSourceNode* PBFSource::nextNode() {
+  return 0;
+}
+
+// _____________________________________________________________________________
+void PBFSource::seekNodes() {
+}
+
+// _____________________________________________________________________________
+void PBFSource::seekWays() {
+}
+
+// _____________________________________________________________________________
+void PBFSource::seekRels() {
+}
+
+// _____________________________________________________________________________
+void PBFSource::cont() {
+}
+
+// _____________________________________________________________________________
+const OsmSourceWay* PBFSource::nextWay() {
+  return 0;
+}
+
+// _____________________________________________________________________________
+const OsmSourceRelationMember* PBFSource::nextMember() {
+  return 0;
+}
+
+// _____________________________________________________________________________
+uint64_t PBFSource::nextMemberNode() {
+  return 0;
+}
+
+// _____________________________________________________________________________
+const OsmSourceRelation* PBFSource::nextRel() {
+  return 0;
+}
+
+// _____________________________________________________________________________
+const OsmSourceAttr PBFSource::nextAttr() {
+}
+
+
+// _____________________________________________________________________________
+util::geo::Box<double> PBFSource::getBounds() {
+}
+
+// _____________________________________________________________________________
+std::string PBFSource::decode(const char* str) const {
+  return str;  // TODO
+}
+
+// _____________________________________________________________________________
+std::string PBFSource::decode(const std::string& str) const {
+  return str;  // TODO
+}
diff --git a/src/pfaedle/osm/source/PBFSource.h b/src/pfaedle/osm/source/PBFSource.h
new file mode 100644
index 0000000..457ce44
--- /dev/null
+++ b/src/pfaedle/osm/source/PBFSource.h
@@ -0,0 +1,42 @@
+// Copyright 2024, University of Freiburg,
+// Chair of Algorithms and Data Structures.
+// Authors: Patrick Brosi <brosi@informatik.uni-freiburg.de>
+
+#ifndef PFAEDLE_OSM_SOURCE_PBFSOURCE_H_
+#define PFAEDLE_OSM_SOURCE_PBFSOURCE_H_
+
+#include "pfaedle/osm/source/OsmSource.h"
+
+
+namespace pfaedle {
+namespace osm {
+namespace source {
+
+class PBFSource : public OsmSource {
+ public:
+  PBFSource(const std::string& path);
+  virtual const OsmSourceNode* nextNode();
+  virtual const OsmSourceAttr nextAttr();
+  virtual const OsmSourceWay* nextWay();
+  virtual uint64_t nextMemberNode();
+  virtual const OsmSourceRelationMember* nextMember();
+  virtual const OsmSourceRelation* nextRel();
+  virtual void cont();
+
+  virtual void seekNodes();
+  virtual void seekWays();
+  virtual void seekRels();
+
+  virtual util::geo::Box<double> getBounds();
+
+  virtual std::string decode(const char* str) const;
+  virtual std::string decode(const std::string& str) const;
+ private:
+  std::string _path;
+};
+
+}  // namespace source
+}  // namespace osm
+}  // namespace pfaedle
+
+#endif