diff --git a/src/openrct2/paint/tile_element/Paint.Path.cpp b/src/openrct2/paint/tile_element/Paint.Path.cpp
index 960b30b358..b51545bc96 100644
--- a/src/openrct2/paint/tile_element/Paint.Path.cpp
+++ b/src/openrct2/paint/tile_element/Paint.Path.cpp
@@ -799,6 +799,12 @@ void path_paint(paint_session * session, uint16 height, const rct_tile_element *
         imageFlags = CONSTRUCTION_MARKER;
     }
 
+    // For debugging purpose, show blocked tiles with a colour
+    if (tile_element->flags & TILE_ELEMENT_FLAG_BLOCKED_BY_VEHICLE)
+    {
+        imageFlags = COLOUR_BRIGHT_GREEN << 19 | COLOUR_GREY << 24 | IMAGE_TYPE_REMAP;
+    }
+
     sint16 x = session->MapPosition.x, y = session->MapPosition.y;
 
     rct_tile_element * surface = map_get_surface_element_at({session->MapPosition.x, session->MapPosition.y});