diff --git a/osi_lane.proto b/osi_lane.proto
index 062eb6a00..0b9994e5a 100644
--- a/osi_lane.proto
+++ b/osi_lane.proto
@@ -1066,8 +1066,17 @@ message LaneBoundary
             TYPE_BARRIER = 14;
 
             // A sound barrier.
+            // Also known as noise protection wall.
             //
             TYPE_SOUND_BARRIER = 15;
+
+            // The lane boundary is a fence.
+            //
+            TYPE_FENCE = 16;
+
+            // The lane boundary is a tension cable system.
+            //
+            TYPE_TENSION_CABLE_SYSTEM = 17;
         }
 
         // The semantic color of the lane boundary in case of a lane markings.