diff --git a/urban_furnitures/semaphores/semaphore.gd b/urban_furnitures/semaphores/semaphore.gd
index fd0f9d3..51faa00 100644
--- a/urban_furnitures/semaphores/semaphore.gd
+++ b/urban_furnitures/semaphores/semaphore.gd
@@ -1,31 +1,33 @@
 extends Node2D
 class_name LightSemaphore
 
-@export var dependantSemaphore : LightSemaphore = null
+@export var synchronizedSemaphore : LightSemaphore = null
 @export var hasOwnTimerEnabled = true
 @onready var lights := [$Sempahore/green, $Sempahore/yellow, $Sempahore/red ];
+@export var waitTicks := [5, 1, 6];
 @export var light = 0;
+var tickCounter = 0
 
 func _ready() -> void:
 	$brakeZone.get_child(1).disabled = !light;
 	for i in range (lights.size()):
 		lights[i].visible = i == light
+	$Timer.wait_time = 1;
 
-func change_light():
-	light += 1;
-	if light > 2:
-		light = 0;
+func tick():
+	tickCounter+=1
+	if tickCounter == waitTicks[light]:
+		light += 1;
+		if light > 2:
+			light = 0;
+		tickCounter = 0;
 	$brakeZone.get_child(1).disabled = !light;
 	for i in range (lights.size()):
 		lights[i].visible = i == light
+	if synchronizedSemaphore:
+		synchronizedSemaphore.tick();
 
 func _on_timer_timeout() -> void:
 	if hasOwnTimerEnabled:
-		if light == 0:
-			$Timer.wait_time = 1;
-		else:
-			$Timer.wait_time = 5;
 		$Timer.start()
-		change_light();
-	if dependantSemaphore:
-		dependantSemaphore.change_light();
+		tick();