diff --git a/Car.py b/Car.py
index 83ff5c2..c6df0ad 100644
--- a/Car.py
+++ b/Car.py
@@ -54,9 +54,10 @@ class Car():
         self.v=0
         self.a=10
         self.b=20
-        self.minSpace=1
+        self.minSpace=10
         self.leaderBefore=False
         self.distToInter=0
+        self.timeStopped=0
 
         self.vmax=0
 
@@ -418,6 +419,9 @@ class Car():
 
         self.conduiteKrauss(self.vmax,self.leader,dt)
 
+        if self.v == 0:
+            self.timeStopped += dt
+
         lgt=self.v*dt
 
         self.dir = atan2(self.laneShape[self.laneInd+1][1]-self.pos[1],self.laneShape[self.laneInd+1][0]-self.pos[0])
diff --git a/CarController.py b/CarController.py
index a3193fc..a30769d 100644
--- a/CarController.py
+++ b/CarController.py
@@ -102,6 +102,8 @@ class CarController:
         self.t=0
         self.dt=1/60
         self.spawnFailed = 0
+        self.totalStopped = 0
+        self.carsDestroyed = 0
 
         self.infoWidget = None
 
@@ -174,7 +176,7 @@ class CarController:
                     self.cars.append(flow.spawnCar())
                 else:
                     self.spawnFailed += 1
-                    flow.addCar2Counter()
+                    #flow.addCar2Counter()
                     flow.priority += 1
                     print(f"nope, y as déjà une voiture ici : n°{self.spawnFailed}")
 
@@ -191,6 +193,8 @@ class CarController:
             car.draw(painter)
 
     def destroyCar(self, car):
+        self.carsDestroyed += 1
+        self.totalStopped += car.timeStopped
         self.cars.remove(car)
 
     def updateConstant(self, name, val):
diff --git a/main.py b/main.py
index 8508a2a..e548b79 100644
--- a/main.py
+++ b/main.py
@@ -78,6 +78,13 @@ class MainWindow(QMainWindow):
         widget.setText(f"fps : {1000/t:.1f}")
         widget.update()
 
+        widget = self.findChild(QLabel, "timeStopped")
+        controller = self.mainLoop.controller
+        if controller.carsDestroyed==0:
+            return
+        averageTimeStopped = controller.totalStopped / controller.carsDestroyed
+        widget.setText(f"temps d'arrêt : {averageTimeStopped:.2f}s/voiture \n nombre de voitures qui n'ont pas pu apparaitre : {controller.spawnFailed}")
+
     @Slot(int)
     def updatePhysicsFps(self,t):
         widget = self.findChild(QLabel,"physicsFPS")
diff --git a/window.py b/window.py
index f3d8a0b..14bc7fc 100644
--- a/window.py
+++ b/window.py
@@ -3,7 +3,7 @@
 ################################################################################
 ## Form generated from reading UI file 'window.ui'
 ##
-## Created by: Qt User Interface Compiler version 6.2.3
+## Created by: Qt User Interface Compiler version 6.3.0
 ##
 ## WARNING! All changes made in this file will be lost when recompiling UI file!
 ################################################################################
@@ -27,7 +27,7 @@ class Ui_MainWindow(object):
         if not MainWindow.objectName():
             MainWindow.setObjectName(u"MainWindow")
         MainWindow.setEnabled(True)
-        MainWindow.resize(540, 360)
+        MainWindow.resize(886, 675)
         self.centralwidget = QWidget(MainWindow)
         self.centralwidget.setObjectName(u"centralwidget")
         self.gridLayout = QGridLayout(self.centralwidget)
@@ -93,6 +93,11 @@ class Ui_MainWindow(object):
 
         self.generalInfos.addLayout(self.horizontalLayout_4)
 
+        self.timeStopped = QLabel(self.centralwidget)
+        self.timeStopped.setObjectName(u"timeStopped")
+
+        self.generalInfos.addWidget(self.timeStopped)
+
         self.horizontalLayout_2 = QHBoxLayout()
         self.horizontalLayout_2.setObjectName(u"horizontalLayout_2")
         self.startButton = QPushButton(self.centralwidget)
@@ -136,7 +141,7 @@ class Ui_MainWindow(object):
         MainWindow.setCentralWidget(self.centralwidget)
         self.menubar = QMenuBar(MainWindow)
         self.menubar.setObjectName(u"menubar")
-        self.menubar.setGeometry(QRect(0, 0, 540, 27))
+        self.menubar.setGeometry(QRect(0, 0, 886, 27))
         MainWindow.setMenuBar(self.menubar)
         self.statusbar = QStatusBar(MainWindow)
         self.statusbar.setObjectName(u"statusbar")
@@ -154,6 +159,7 @@ class Ui_MainWindow(object):
         MainWindow.setWindowTitle(QCoreApplication.translate("MainWindow", u"MainWindow", None))
         self.mainFps.setText(QCoreApplication.translate("MainWindow", u"Display fps", None))
         self.physicsFPS.setText(QCoreApplication.translate("MainWindow", u"Physics FPS", None))
+        self.timeStopped.setText(QCoreApplication.translate("MainWindow", u"Time stopped", None))
         self.startButton.setText(QCoreApplication.translate("MainWindow", u"Start", None))
         self.stopButton.setText(QCoreApplication.translate("MainWindow", u"Stop", None))
     # retranslateUi
diff --git a/window.ui b/window.ui
index 1fb2716..bfa99e1 100644
--- a/window.ui
+++ b/window.ui
@@ -9,8 +9,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>540</width>
-    <height>360</height>
+    <width>886</width>
+    <height>675</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -42,7 +42,7 @@
          <layout class="QVBoxLayout" name="constEdit"/>
         </item>
         <item>
-         <layout class="QVBoxLayout" name="generalInfos" stretch="0,0,0">
+         <layout class="QVBoxLayout" name="generalInfos" stretch="0,0,0,0">
           <item>
            <layout class="QHBoxLayout" name="horizontalLayout_3" stretch="2,1">
             <item>
@@ -85,6 +85,13 @@
             </item>
            </layout>
           </item>
+          <item>
+           <widget class="QLabel" name="timeStopped">
+            <property name="text">
+             <string>Time stopped</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <layout class="QHBoxLayout" name="horizontalLayout_2">
             <item>
@@ -132,7 +139,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>540</width>
+     <width>886</width>
      <height>27</height>
     </rect>
    </property>