diff --git a/config/app.php b/config/app.php
index 488f557..e4de739 100644
--- a/config/app.php
+++ b/config/app.php
@@ -58,8 +58,20 @@ return [
 
     'asset_url' => env('ASSET_URL'),
 
+    /*
+    |--------------------------------------------------------------------------
+    | Trip IDs
+    |--------------------------------------------------------------------------
+    |
+    | Get the IDs for current and past trips.
+    | TODO: Update when I have the proper API routes for Wayward.
+    |
+    */
+
     'current_trip_id' => env('CURRENT_TRIP_ID'),
 
+    'past_trip_ids' => explode(',', env('PAST_TRIP_IDS')),
+
     /*
     |--------------------------------------------------------------------------
     | Application Timezone