diff --git a/src/main/org/insa/graphics/NodesInputPanel.java b/src/main/org/insa/graphics/NodesInputPanel.java
index 70335e5..3de18d0 100644
--- a/src/main/org/insa/graphics/NodesInputPanel.java
+++ b/src/main/org/insa/graphics/NodesInputPanel.java
@@ -26,7 +26,7 @@ import org.insa.graph.Node;
 import org.insa.graph.Point;
 import org.insa.graphics.drawing.Drawing;
 import org.insa.graphics.drawing.DrawingClickListener;
-import org.insa.graphics.drawing.MarkerTracker;
+import org.insa.graphics.drawing.overlays.MarkerTracker;
 
 public class NodesInputPanel extends JPanel implements DrawingClickListener {
 
diff --git a/src/main/org/insa/graphics/drawing/BasicDrawing.java b/src/main/org/insa/graphics/drawing/BasicDrawing.java
index 4d52b62..2ce8844 100644
--- a/src/main/org/insa/graphics/drawing/BasicDrawing.java
+++ b/src/main/org/insa/graphics/drawing/BasicDrawing.java
@@ -24,7 +24,9 @@ import org.insa.graph.Graph;
 import org.insa.graph.Node;
 import org.insa.graph.Path;
 import org.insa.graph.Point;
-import org.insa.graphics.drawing.utils.MarkerUtils;
+import org.insa.graphics.drawing.overlays.MarkerTracker;
+import org.insa.graphics.drawing.overlays.MarkerUtils;
+import org.insa.graphics.drawing.overlays.OverlayTracker;
 
 /**
  * Cette implementation de la classe Dessin produit vraiment un affichage (au
diff --git a/src/main/org/insa/graphics/drawing/Drawing.java b/src/main/org/insa/graphics/drawing/Drawing.java
index 45dc04b..3d788b2 100644
--- a/src/main/org/insa/graphics/drawing/Drawing.java
+++ b/src/main/org/insa/graphics/drawing/Drawing.java
@@ -5,6 +5,7 @@ import java.awt.Color;
 import org.insa.graph.Graph;
 import org.insa.graph.Path;
 import org.insa.graph.Point;
+import org.insa.graphics.drawing.overlays.MarkerTracker;
 
 public interface Drawing {
 
diff --git a/src/main/org/insa/graphics/drawing/MapViewDrawing.java b/src/main/org/insa/graphics/drawing/MapViewDrawing.java
index ac894e8..3952db4 100644
--- a/src/main/org/insa/graphics/drawing/MapViewDrawing.java
+++ b/src/main/org/insa/graphics/drawing/MapViewDrawing.java
@@ -14,8 +14,10 @@ import org.insa.graph.Arc;
 import org.insa.graph.Graph;
 import org.insa.graph.Path;
 import org.insa.graph.Point;
-import org.insa.graphics.drawing.utils.MarkerUtils;
-import org.insa.graphics.drawing.utils.PolylineAutoScaling;
+import org.insa.graphics.drawing.overlays.MarkerTracker;
+import org.insa.graphics.drawing.overlays.MarkerUtils;
+import org.insa.graphics.drawing.overlays.OverlayTracker;
+import org.insa.graphics.drawing.overlays.PolylineAutoScaling;
 import org.mapsforge.core.graphics.Bitmap;
 import org.mapsforge.core.graphics.GraphicFactory;
 import org.mapsforge.core.model.BoundingBox;
diff --git a/src/main/org/insa/graphics/drawing/MarkerTracker.java b/src/main/org/insa/graphics/drawing/overlays/MarkerTracker.java
similarity index 85%
rename from src/main/org/insa/graphics/drawing/MarkerTracker.java
rename to src/main/org/insa/graphics/drawing/overlays/MarkerTracker.java
index c1f3daf..82b43db 100644
--- a/src/main/org/insa/graphics/drawing/MarkerTracker.java
+++ b/src/main/org/insa/graphics/drawing/overlays/MarkerTracker.java
@@ -1,4 +1,4 @@
-package org.insa.graphics.drawing;
+package org.insa.graphics.drawing.overlays;
 
 import org.insa.graph.Point;
 
diff --git a/src/main/org/insa/graphics/drawing/utils/MarkerUtils.java b/src/main/org/insa/graphics/drawing/overlays/MarkerUtils.java
similarity index 97%
rename from src/main/org/insa/graphics/drawing/utils/MarkerUtils.java
rename to src/main/org/insa/graphics/drawing/overlays/MarkerUtils.java
index 4571961..a9916bd 100644
--- a/src/main/org/insa/graphics/drawing/utils/MarkerUtils.java
+++ b/src/main/org/insa/graphics/drawing/overlays/MarkerUtils.java
@@ -1,4 +1,4 @@
-package org.insa.graphics.drawing.utils;
+package org.insa.graphics.drawing.overlays;
 
 import java.awt.Color;
 import java.awt.image.BufferedImage;
diff --git a/src/main/org/insa/graphics/drawing/OverlayTracker.java b/src/main/org/insa/graphics/drawing/overlays/OverlayTracker.java
similarity index 87%
rename from src/main/org/insa/graphics/drawing/OverlayTracker.java
rename to src/main/org/insa/graphics/drawing/overlays/OverlayTracker.java
index f0af951..4c150da 100644
--- a/src/main/org/insa/graphics/drawing/OverlayTracker.java
+++ b/src/main/org/insa/graphics/drawing/overlays/OverlayTracker.java
@@ -1,4 +1,4 @@
-package org.insa.graphics.drawing;
+package org.insa.graphics.drawing.overlays;
 
 public interface OverlayTracker {
 
diff --git a/src/main/org/insa/graphics/drawing/utils/PaintUtils.java b/src/main/org/insa/graphics/drawing/overlays/PaintUtils.java
similarity index 94%
rename from src/main/org/insa/graphics/drawing/utils/PaintUtils.java
rename to src/main/org/insa/graphics/drawing/overlays/PaintUtils.java
index 8c024cf..3056bbe 100644
--- a/src/main/org/insa/graphics/drawing/utils/PaintUtils.java
+++ b/src/main/org/insa/graphics/drawing/overlays/PaintUtils.java
@@ -1,4 +1,4 @@
-package org.insa.graphics.drawing.utils;
+package org.insa.graphics.drawing.overlays;
 
 import java.awt.Color;
 
diff --git a/src/main/org/insa/graphics/drawing/utils/PolylineAutoScaling.java b/src/main/org/insa/graphics/drawing/overlays/PolylineAutoScaling.java
similarity index 97%
rename from src/main/org/insa/graphics/drawing/utils/PolylineAutoScaling.java
rename to src/main/org/insa/graphics/drawing/overlays/PolylineAutoScaling.java
index 262ad94..15d2427 100644
--- a/src/main/org/insa/graphics/drawing/utils/PolylineAutoScaling.java
+++ b/src/main/org/insa/graphics/drawing/overlays/PolylineAutoScaling.java
@@ -1,4 +1,4 @@
-package org.insa.graphics.drawing.utils;
+package org.insa.graphics.drawing.overlays;
 
 import java.awt.Color;
 import java.util.List;