diff --git a/be-graphes-gui/src/main/java/org/insa/graphs/gui/simple/Launch.java b/be-graphes-gui/src/main/java/org/insa/graphs/gui/simple/Launch.java
index aa7ea04..0a8e01e 100644
--- a/be-graphes-gui/src/main/java/org/insa/graphs/gui/simple/Launch.java
+++ b/be-graphes-gui/src/main/java/org/insa/graphs/gui/simple/Launch.java
@@ -14,6 +14,7 @@ import org.insa.graphs.gui.drawing.components.BasicDrawing;
 import org.insa.graphs.model.Graph;
 import org.insa.graphs.model.Path;
 import org.insa.graphs.model.io.BinaryGraphReader;
+import org.insa.graphs.model.io.BinaryPathReader;
 import org.insa.graphs.model.io.GraphReader;
 import org.insa.graphs.model.io.PathReader;
 
@@ -57,23 +58,26 @@ public class Launch {
         try (final GraphReader reader = new BinaryGraphReader(new DataInputStream(
                 new BufferedInputStream(new FileInputStream(mapName))))) {
 
-            // TODO: read the graph
-            graph = null;
+            // DONE: read the graph
+            graph = reader.read();
         }
 
         // create the drawing
         final Drawing drawing = createDrawing();
 
-        // TODO: draw the graph on the drawing
+        // DONE: draw the graph on the drawing
+        drawing.drawGraph(graph);
 
-        // TODO: create a path reader
-        try (final PathReader pathReader = null) {
+        // DONE: create a path reader
+        try (final PathReader pathReader = new BinaryPathReader(new DataInputStream(
+                new BufferedInputStream(new FileInputStream(pathName))))) {
 
-            // TODO: read the path
-            path = null;
+            // DONE: read the path
+            path = pathReader.readPath(graph);
         }
 
-        // TODO: draw the path on the drawing
+        // DONE: draw the path on the drawing
+        drawing.drawPath(path);
     }
 
 }
diff --git a/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java b/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java
index 152f28d..2014aeb 100644
--- a/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java
+++ b/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java
@@ -3,6 +3,7 @@ package org.insa.graphs.model;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Iterator;
 
 /**
  * <p>
@@ -43,7 +44,6 @@ public class Path {
                         bestSpeed = arcsucc.getTravelTime(succspeed);
                     }
                 }
-
             }
             if (bestArc == null) {
                 throw new IllegalArgumentException();