diff --git a/sumo_project/SUMOFactory.py b/sumo_project/SUMOFactory.py
index 80c9444..2f80bfc 100644
--- a/sumo_project/SUMOFactory.py
+++ b/sumo_project/SUMOFactory.py
@@ -1,28 +1,28 @@
-'''
-Created on 17 oct. 2018
-
-@author: Axel Huynh-Phuc, Thibaud Gasser
-'''
-
-import traci
-from shapely.geometry.linestring import LineString
-
-
-class SUMOFactory(object):
-    
-    def stop_vehicle(self, veh_id):
-        traci.vehicle.remove(veh_id, traci.constants.REMOVE_PARKING)
-
-    def lanes_in_area(self, area):
-        for lane_id in traci.lane.getIDList():
-            polygon_lane = LineString(traci.lane.getShape(lane_id))
-            if area.rectangle.intersects(polygon_lane):
-                yield lane_id
-           
-    def lock_area(self, area):
-        for lane_id in self.lanes_in_area(area):
-            print(f'Setting max speed of {lane_id} to 9.')
-            traci.lane.setMaxSpeed(lane_id, 9)
-
-        for veh_id in traci.vehicle.getIDList():
-            traci.vehicle.rerouteTraveltime(veh_id, True)
+'''
+Created on 17 oct. 2018
+
+@author: Axel Huynh-Phuc, Thibaud Gasser
+'''
+
+import traci
+from shapely.geometry.linestring import LineString
+
+
+def stop_vehicle(veh_id):
+    traci.vehicle.remove(veh_id, traci.constants.REMOVE_PARKING)
+
+
+def lanes_in_area(area):
+    for lane_id in traci.lane.getIDList():
+        polygon_lane = LineString(traci.lane.getShape(lane_id))
+        if area.rectangle.intersects(polygon_lane):
+            yield lane_id
+
+
+def lock_area(area):
+    for lane_id in lanes_in_area(area):
+        print(f'Setting max speed of {lane_id} to 30.')
+        traci.lane.setMaxSpeed(lane_id, 30)
+
+    for veh_id in traci.vehicle.getIDList():
+        traci.vehicle.rerouteTraveltime(veh_id, True)