diff --git a/sumo_project/actions.py b/sumo_project/actions.py
index a0f6df9..5453e1b 100644
--- a/sumo_project/actions.py
+++ b/sumo_project/actions.py
@@ -22,7 +22,6 @@ def compute_edge_weight(edge_id):
             + traci.edge.getPMxEmission(edge_id)
             + traci.edge.getCO2Emission(edge_id))
 
-
 def adjust_edges_weights():
     for edge_id in traci.edge.getIDList():
         weight = compute_edge_weight(edge_id)  # by default edges weight = length/mean speed
diff --git a/sumo_project/config.py b/sumo_project/config.py
index 5b1beb8..ae002a2 100644
--- a/sumo_project/config.py
+++ b/sumo_project/config.py
@@ -17,8 +17,9 @@ CELLS_NUMBER = 10
 EMISSIONS_THRESHOLD = 500000
 n_steps = 200 
 
-lock_mode = True
-routing_mode = False
+limit_speed_mode = True
+weight_routing_mode = False
+adjust_traffic_light_mode = True
 
 sumo_binary = os.path.join(os.environ['SUMO_HOME'], 'bin', _SUMOCMD)
 sumo_cmd = [sumo_binary, "-c", _SUMOCFG]
@@ -26,6 +27,7 @@ sumo_cmd = [sumo_binary, "-c", _SUMOCFG]
 def showConfig():
     return (str(f'Grid : {CELLS_NUMBER}x{CELLS_NUMBER}\n')
     + str(f'step number = {n_steps}\n')
-    + str(f'lock mode = {lock_mode}\n')
-    + str(f'routing mode = {routing_mode}\n'))
+    + str(f'limit speed mode = {limit_speed_mode}\n')
+    + str(f'weight routing mode= {weight_routing_mode}\n')
+    + str(f'adjust traffic light mode = {adjust_traffic_light_mode}\n'))
     
diff --git a/sumo_project/emissions.py b/sumo_project/emissions.py
index c4f7742..ad461e8 100644
--- a/sumo_project/emissions.py
+++ b/sumo_project/emissions.py
@@ -48,7 +48,8 @@ def get_all_lanes() -> List[Lane]:
     lanes = []
     for lane_id in traci.lane.getIDList():
         polygon_lane = LineString(traci.lane.getShape(lane_id))
-        lanes.append(Lane(lane_id, polygon_lane))
+        initial_max_speed = traci.lane.getMaxSpeed(lane_id)
+        lanes.append(Lane(lane_id, polygon_lane,initial_max_speed))
     return lanes
 
 
@@ -57,22 +58,21 @@ def get_emissions(grid: List[Area], vehicles: List[Vehicle]):
         for vehicle in vehicles:
             if vehicle.pos in area:
                 area.emissions += vehicle.emissions
-        if config.lock_mode and area.emissions > config.EMISSIONS_THRESHOLD and not area.locked:
-            
+        if config.limit_speed_mode and area.emissions > config.EMISSIONS_THRESHOLD and not area.locked:
             actions.limit_speed_into_area(area, vehicles,30)
-            actions.adjust_traffic_light_phase_duration(area, 0.5)
-            
             traci.polygon.setColor(area.name, (255, 0, 0))
             traci.polygon.setFilled(area.name, True)
+            if config.adjust_traffic_light_mode:
+                actions.adjust_traffic_light_phase_duration(area, 0.75)
 
 
 def add_data_to_areas(areas: List[Area]):
     lanes = get_all_lanes()
     for area in areas:
-        for lane in lanes:
+        for lane in lanes: #add lanes 
             if area.rectangle.intersects(lane.polygon):
-                area.add_lane(lane)
-                for tl_id in traci.trafficlight.getIDList():
+                area.add_lane(lane) 
+                for tl_id in traci.trafficlight.getIDList(): #add traffic lights 
                     if lane.lane_id in traci.trafficlight.getControlledLanes(tl_id):
                         area.add_tl(TrafficLight(tl_id))
         
@@ -92,9 +92,8 @@ def main():
             vehicles = get_all_vehicles()
             get_emissions(grid, vehicles)
 
-            if config.routing_mode:
+            if config.weight_routing_mode:
                 actions.adjust_edges_weights()
-                # actions.rerouteAllVehicles()
 
             step += 1
             progress = round(step/config.n_steps*100,2)
diff --git a/sumo_project/model.py b/sumo_project/model.py
index 9c3e9eb..5a90846 100644
--- a/sumo_project/model.py
+++ b/sumo_project/model.py
@@ -7,9 +7,10 @@ from shapely.geometry.base import BaseGeometry
 
 class Lane:
 
-    def __init__(self, lane_id: str, polygon: LineString):
+    def __init__(self, lane_id: str, polygon: LineString, initial_max_speed: float):
         self.polygon = polygon
         self.lane_id = lane_id
+        self.initial_max_speed = initial_max_speed
 
     def __hash__(self):
         """Overrides the default implementation"""