diff --git a/Car.py b/Car.py
index 946b932..b96eb95 100644
--- a/Car.py
+++ b/Car.py
@@ -433,12 +433,13 @@ class Car():
             #print(self.distToInter, self.minSpace, dts)
 
             # Si on est bloqué dans une dépendance circulaire
+            maxInterTime = 0
             if self.leader is None and self.timeAtInter >= 0:
                 cd, maxInterTime = self.circularLeaderDep(self.leaderAtInter, 0, 20)
                 if cd and self.timeAtInter >= maxInterTime:
                     self.forceThrough = True
             # Ou si notre leader est bloqué devant un autre leader
-            if self.leader is None and self.leaderAtInter.v == 0 and self.leaderAtInter.leaderAtInter is not None and self.leaderAtInter.leaderAtInterDist > self.interMinSpace:
+            if self.leader is None and self.leaderAtInter.v == 0 and self.leaderAtInter.leaderAtInter is not None and self.leaderAtInter.leaderAtInterDist > self.interMinSpace and maxInterTime != -1:
                 self.forceThrough = True
                 
             # si on est suffisement loin de l'intersection (i.e on s'en fout du leader)
@@ -476,7 +477,7 @@ class Car():
             return False, 0
 
         if car.forceThrough:
-            return False, 0
+            return False, -1
 
         maxTimeStopped = max(maxTimeStopped, car.timeAtInter)
 
@@ -488,6 +489,9 @@ class Car():
         res2,mts2 = self.circularLeaderDep(car.leaderAtInter, maxTimeStopped, timeout)
         maxTimeStopped = max(mts, mts2)
 
+        if min(mts, mts2) == -1:
+            return False, -1
+
         return (res or res2), maxTimeStopped
 
     def updateGraph(self, v, vmax, vsec, interVsec):