diff --git a/src/backend/apps/event/enums.py b/src/backend/apps/event/enums.py
index 8a7b21fb3..94a564666 100644
--- a/src/backend/apps/event/enums.py
+++ b/src/backend/apps/event/enums.py
@@ -27,7 +27,11 @@ class EVENT_SUB_TYPE:
     PARTLY_SNOW_PACKED = "PARTLY_SNOW_PACKED"
     MUD = "MUD"
     PLANNED_EVENT = "PLANNED_EVENT"
-    POOR_VISIBILITY = "POOR_VISIBILITY"
+    POOR_VISIBILITY = "POOR_VISIBILITY"    
+    PARTLY_SNOW_COVERED = "PARTLY_SNOW_COVERED"
+    DRIFTING_SNOW = "DRIFTING_SNOW"
+    PASSABLE_WITH_CARE = "PASSABLE_WITH_CARE"
+
 
 
 EVENT_SUB_TYPE_CHOICES = (
@@ -132,4 +136,8 @@ class EVENT_DISPLAY_CATEGORY:
     EVENT_SUB_TYPE.ICE_COVERED: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
     EVENT_SUB_TYPE.SNOW_PACKED: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
     EVENT_SUB_TYPE.PARTLY_SNOW_PACKED: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
+    EVENT_SUB_TYPE.PARTLY_SNOW_COVERED: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
+    EVENT_SUB_TYPE.DRIFTING_SNOW: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
+    EVENT_SUB_TYPE.ALMOST_IMPASSABLE: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
+    EVENT_SUB_TYPE.PASSABLE_WITH_CARE: EVENT_DISPLAY_CATEGORY.ROAD_CONDITION,
 }