--- a/include/common-request.inc.php
+++ b/include/common-request.inc.php
@@ -58,15 +58,18 @@
     $stopids = explode(",", filter_var($_REQUEST['stopids'], FILTER_SANITIZE_STRING));
 }
 if (isset($_REQUEST['tripid'])) {
-    $tripid = filter_var($_REQUEST['tripid'], FILTER_SANITIZE_NUMBER_INT);
+    $tripid = filter_var($_REQUEST['tripid'], FILTER_SANITIZE_STRING);
+}
+if (isset($_REQUEST['routeid'])) {
+    $routeid = filter_var($_REQUEST['routeid'], FILTER_SANITIZE_STRING);
+}
+if (isset($_REQUEST['directionid'])) {
+    $directionid = filter_var($_REQUEST['directionid'], FILTER_SANITIZE_STRING);
 }
 if (isset($_REQUEST['stopid'])) {
     $stopid = filter_var($_REQUEST['stopid'], FILTER_SANITIZE_NUMBER_INT);
 }
-if (isset($_REQUEST['routeid'])) {
-    $routeid = filter_var($_REQUEST['routeid'], FILTER_SANITIZE_NUMBER_INT);
-}
 if (isset($_REQUEST['geolocate'])) {
     $geolocate = filter_var($_REQUEST['geolocate'], FILTER_SANITIZE_URL);
 }
-?>
+