diff --git a/MMM-CombinedMap.js b/MMM-CombinedMap.js
index 3ba955f..df24bc9 100644
--- a/MMM-CombinedMap.js
+++ b/MMM-CombinedMap.js
@@ -157,8 +157,8 @@ Module.register("MMM-CombinedMap", {
   addTrafficLayer: function() {
     this.refreshTrafficLayers();
     
-    // Set up periodic traffic refresh (every 5 minutes)
-    setInterval(() => this.refreshTrafficLayers(), 5 * 60 * 1000);
+    // Set up periodic traffic refresh (every 10 minutes)
+    setInterval(() => this.refreshTrafficLayers(), 10 * 60 * 1000);
   },
   
   refreshTrafficLayers: function() {