diff --git a/Car.py b/Car.py
index 1854649..a34f7de 100644
--- a/Car.py
+++ b/Car.py
@@ -82,6 +82,9 @@ class Car:
         vsec=vleader+(S-vmax*T)/(vbar/bbar+T)
         vd=min(self.v+self.a*dt,vmax,vsec)
         self.v=max(0,vd)
+        self.infoWidg.addSpeedPoint(2,self.controller.t,self.v)
+        self.infoWidg.addSpeedPoint(0,self.controller.t,vmax)
+        self.infoWidg.addSpeedPoint(1,self.controller.t,vsec)
 
     def update(self,dt):
         leaders=self.controller.getCarsOnEdge(self.route[self.index].getID())
diff --git a/CarController.py b/CarController.py
index e5e35dc..8497b18 100644
--- a/CarController.py
+++ b/CarController.py
@@ -3,12 +3,39 @@ from Car import Car
 from carInfo import Ui_carInfo
 from PySide6.QtWidgets import QWidget, QLabel
 from PySide6.QtCore import Qt
+from PySide6.QtCharts import QChart, QSplineSeries, QLineSeries
 
 class carInfo(QWidget):
     def __init__(self):
         super(carInfo,self).__init__()
         self.ui = Ui_carInfo()
         self.ui.setupUi(self)
+        self.maxV = 0
+        
+        self.chart = self.ui.speedGraph.chart()
+        
+        speedsNames = ["vmax","vsec","Vitesse (m.s^-1)"]
+        self.speedSeries = []
+        for ind,s in enumerate(speedsNames):
+            self.speedSeries.append(QLineSeries())
+            self.speedSeries[ind].setName(s)
+            self.chart.addSeries(self.speedSeries[ind])
+        self.chart.createDefaultAxes()
+
+    def addSpeedPoint(self,ind,t,val):
+        if(t>500):
+            self.speedSeries[ind].remove(0)
+        self.speedSeries[ind].append(t,val)
+        
+        xAxis = self.chart.axes(Qt.Horizontal,self.speedSeries[ind])[0]
+        xAxis.setRange(max(t-500,0),t)
+
+        if(val>self.maxV):
+            self.maxV = val
+            yAxis = self.chart.axes(Qt.Vertical, self.speedSeries[ind])[0]
+            yAxis.setMax(val+1)
+
+        self.ui.speedGraph.update()
 
     def setVal(self,key,val):
         obj = self.findChild(QLabel,key)
@@ -21,9 +48,11 @@ class CarController:
     def __init__(self,parentMap):
         self.map=parentMap
         self.cars=[]
+        self.t=0
     
     def fromPath(self,path):
         self.cars=[]
+        self.t=0
         while(self.infoWidget.count() != 0):
             self.infoWidget.removeItem(0)
 
@@ -47,6 +76,7 @@ class CarController:
     def update(self):
         if(self.map.net is None):
             return
+        self.t+=1
         for car in self.cars:
             car.update(1.0/60)
 
diff --git a/carInfo.py b/carInfo.py
index 652ba5d..9912358 100644
--- a/carInfo.py
+++ b/carInfo.py
@@ -8,6 +8,7 @@
 ## WARNING! All changes made in this file will be lost when recompiling UI file!
 ################################################################################
 
+from PySide6.QtCharts import QChartView
 from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
     QMetaObject, QObject, QPoint, QRect,
     QSize, QTime, QUrl, Qt)
@@ -50,6 +51,11 @@ class Ui_carInfo(object):
 
         self.verticalLayout.addWidget(self.Leader)
 
+        self.speedGraph = QChartView(carInfo)
+        self.speedGraph.setObjectName(u"speedGraph")
+
+        self.verticalLayout.addWidget(self.speedGraph)
+
 
         self.retranslateUi(carInfo)
 
diff --git a/carInfo.ui b/carInfo.ui
index dfb9a13..889e7aa 100644
--- a/carInfo.ui
+++ b/carInfo.ui
@@ -49,8 +49,18 @@
      </property>
     </widget>
    </item>
+   <item>
+    <widget class="QChartView" name="speedGraph"/>
+   </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QChartView</class>
+   <extends>QGraphicsView</extends>
+   <header>qchartview</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>
diff --git a/mainLoop.py b/mainLoop.py
index 8c43701..bb5021f 100644
--- a/mainLoop.py
+++ b/mainLoop.py
@@ -2,6 +2,7 @@ from Map import Map
 from CarController import CarController
 
 from PySide6.QtWidgets import QFileDialog
+from PySide6.QtCore import QElapsedTimer
 
 class mainLoop():
     def __init__(self, parent):