diff --git a/README.md b/README.md
index cf47c3d0c..6653837f6 100644
--- a/README.md
+++ b/README.md
@@ -19,12 +19,10 @@ A generic event data model for future HEP collider experiments.
 
 **Datatypes**
 
-| | | |
-|-|-|-|
 | [EventHeader](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L136)         | [MCParticle](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L148)        | [SimTrackerHit](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L216)         |
 | [CaloHitContribution](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L258) | [SimCalorimeterHit](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L270) | [RawCalorimeterHit](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L282)     |
 | [CalorimeterHit](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L291)      | [ParticleID](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L303)        | [Cluster](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L316)               |
-| [TrackerHit](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L337)          | [TrackerHitPlane](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L352)   | [RawTimeSeries](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L371)                |
+| [TrackerHit3D](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L337)          | [TrackerHitPlane](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L352)   | [RawTimeSeries](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L371)                |
 | [Track](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L384)               | [Vertex](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L403)            | [ReconstructedParticle](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L420) |
 | [SimPrimaryIonizationCluster](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L528) | [TrackerPulse](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L562) | [RecIonizationCluster](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L575) |
 | [TimeSeries](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L586) | [RecDqdx](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L598) |                                                                                          |
@@ -37,6 +35,13 @@ A generic event data model for future HEP collider experiments.
 | [MCRecoTrackerHitPlaneAssociation](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L481) | [MCRecoCaloParticleAssociation](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L490) | [MCRecoClusterParticleAssociation](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L499) |
 | [MCRecoTrackParticleAssociation](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L508)   | [RecoParticleVertexAssociation](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#L517) |                                                                                                      |
 
+**Interfaces**
+
+| | | |
+|-|-|-|
+| [TrackerHit](https://github.com/key4hep/EDM4hep/blob/main/edm4hep.yaml#625) | | |
+
+
 The tests and examples in the `tests` directory show how to read, write, and use these types in your code.
 
 
diff --git a/edm4hep.yaml b/edm4hep.yaml
index 8a3050893..6607a0ae9 100644
--- a/edm4hep.yaml
+++ b/edm4hep.yaml
@@ -334,7 +334,7 @@ datatypes:
       - edm4hep::ParticleID     particleIDs  // particle IDs (sorted by their likelihood)
 
   #-------------  TrackerHit
-  edm4hep::TrackerHit:
+  edm4hep::TrackerHit3D:
     Description: "Tracker hit"
     Author: "EDM4hep authors"
     Members:
@@ -607,3 +607,19 @@ datatypes:
       - edm4hep::HitLevelData hitData   // hit level data
     OneToOneRelations:
       - edm4hep::Track track           // the corresponding track
+
+interfaces:
+  edm4hep::TrackerHit:
+    Description: "Tracker hit interface class"
+    Author: "Thomas Madlener, DESY"
+    Members:
+      - uint64_t cellID // ID of the sensor that created this hit
+      - int32_t type // type of the raw data hit
+      - int32_t quality // quality bit flag of the hit
+      - float time [ns] // time of the hit
+      - float eDep [GeV] // energy deposited on the hit
+      - float eDepError [GeV] // error measured on eDep
+      - edm4hep::Vector3d position [mm] // hit position
+    Types:
+      - edm4hep::TrackerHit3D
+      - edm4hep::TrackerHitPlane
diff --git a/tools/include/edm4hep2json.hxx b/tools/include/edm4hep2json.hxx
index 50dbe0f3f..0849453de 100644
--- a/tools/include/edm4hep2json.hxx
+++ b/tools/include/edm4hep2json.hxx
@@ -18,7 +18,7 @@
 #include "edm4hep/SimTrackerHitCollection.h"
 #include "edm4hep/TimeSeriesCollection.h"
 #include "edm4hep/TrackCollection.h"
-#include "edm4hep/TrackerHitCollection.h"
+#include "edm4hep/TrackerHit3DCollection.h"
 #include "edm4hep/TrackerHitPlaneCollection.h"
 #include "edm4hep/TrackerPulseCollection.h"
 #include "edm4hep/VertexCollection.h"
@@ -92,8 +92,8 @@ nlohmann::json processEvent(const podio::Frame& frame, std::vector<std::string>&
       insertIntoJson<edm4hep::ParticleIDCollection>(jsonDict, coll, collList[i]);
     } else if (coll->getTypeName() == "edm4hep::ClusterCollection") {
       insertIntoJson<edm4hep::ClusterCollection>(jsonDict, coll, collList[i]);
-    } else if (coll->getTypeName() == "edm4hep::TrackerHitCollection") {
-      insertIntoJson<edm4hep::TrackerHitCollection>(jsonDict, coll, collList[i]);
+    } else if (coll->getTypeName() == "edm4hep::TrackerHit3DCollection") {
+      insertIntoJson<edm4hep::TrackerHit3DCollection>(jsonDict, coll, collList[i]);
     } else if (coll->getTypeName() == "edm4hep::TrackerHitPlaneCollection") {
       insertIntoJson<edm4hep::TrackerHitPlaneCollection>(jsonDict, coll, collList[i]);
     } else if (coll->getTypeName() == "edm4hep::RawTimeSeriesCollection") {
diff --git a/utils/src/dataframe.cc b/utils/src/dataframe.cc
index ef12f0342..1948191a2 100644
--- a/utils/src/dataframe.cc
+++ b/utils/src/dataframe.cc
@@ -6,7 +6,7 @@
 #include "edm4hep/ReconstructedParticleData.h"
 #include "edm4hep/SimCalorimeterHitData.h"
 #include "edm4hep/SimTrackerHitData.h"
-#include "edm4hep/TrackerHitData.h"
+#include "edm4hep/TrackerHit3DData.h"
 #include "edm4hep/TrackerHitPlaneData.h"
 #include "edm4hep/VertexData.h"
 
@@ -77,7 +77,7 @@ INST_MOMENTUM_FUNCS(edm4hep::ReconstructedParticleData);
 INST_MOMENTUM_FUNCS(edm4hep::SimTrackerHitData);
 
 INST_POSITION_FUNCS(edm4hep::SimTrackerHitData);
-INST_POSITION_FUNCS(edm4hep::TrackerHitData);
+INST_POSITION_FUNCS(edm4hep::TrackerHit3DData);
 INST_POSITION_FUNCS(edm4hep::TrackerHitPlaneData);
 INST_POSITION_FUNCS(edm4hep::SimCalorimeterHitData);
 INST_POSITION_FUNCS(edm4hep::CalorimeterHitData);