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 d62caca..7210561 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
@@ -201,8 +201,13 @@ public class Path {
      * @deprecated Need to be implemented.
      */
     public boolean isValid() {
-        // TODO:
-        return false;
+        for (int i=0; i<arcs.size();i++){
+            if(arcs.get(i).getDestination() != arcs.get(i+1).getOrigin()){
+                return false;
+            
+            }
+        }
+        return true;
     }
 
     /**
@@ -230,8 +235,7 @@ public class Path {
      *         kilometers-per-hour).
      * 
 <<<<<<< HEAD
-     * 
-=======
+     *
      *
 >>>>>>> 052958ee6eb4821ebbb9c903780d467d62617fd2
      */
diff --git a/be-graphes-model/target/classes/org/insa/graphs/model/Path.class b/be-graphes-model/target/classes/org/insa/graphs/model/Path.class
index b9fc402..bde81ea 100644
Binary files a/be-graphes-model/target/classes/org/insa/graphs/model/Path.class and b/be-graphes-model/target/classes/org/insa/graphs/model/Path.class differ