diff --git a/gpiozero/boards.py b/gpiozero/boards.py
index a1768ca..a2c34f7 100644
--- a/gpiozero/boards.py
+++ b/gpiozero/boards.py
@@ -26,12 +26,6 @@ class TrafficLights(object):
             led.blink(on_time, off_time)
 
 
-class PiTraffic(TrafficLights):
-    def __init__(self):
-        red, amber, green = (9, 10, 11)
-        super(FishDish, self).__init__(red, amber, green)
-
-
 class FishDish(TrafficLights):
     def __init__(self):
         red, amber, green = (9, 22, 4)
@@ -55,6 +49,15 @@ class FishDish(TrafficLights):
         super.off()
 
 
+class TrafficHat(FishDish):
+    def __init__(self):
+        red, amber, green = (24, 23, 22)
+        super(PiTraffic, self).__init__(red, amber, green)
+        self.buzzer = Buzzer(5)
+        self.button = Button(25)
+        self._all = tuple(list(self._leds) + [self.buzzer])
+
+
 class PiLiter(object):
     def __init__(self):
         leds = (4, 17, 27, 18, 22, 23, 24, 25)