diff --git a/modules/libdata.php b/modules/libdata.php
index 35a2a68..ea7114c 100644
--- a/modules/libdata.php
+++ b/modules/libdata.php
@@ -133,4 +133,14 @@ function getPositionOfLine($line,$direction){
     return $locations;
 }
 
+function getPositionOfApproachingStop($stop,$direction){
+    $res = array();
+    foreach(getRoutesByStop($stop,$direction) as $route){
+        foreach(getPositionOfRoute($route,$direction) as $bus){ 
+            array_push($res, $bus);
+        }
+    }
+    return $res;
+}
+
 ?>