diff --git a/nml/actions/action5.py b/nml/actions/action5.py
index f097aba1..3c9388be 100644
--- a/nml/actions/action5.py
+++ b/nml/actions/action5.py
@@ -83,6 +83,7 @@ class Action5BlockType:
     "AIRPORT_PREVIEW": (0x16, 9, Action5BlockType.OFFSET),
     "RAILTYPE_TUNNELS": (0x17, 16, Action5BlockType.OFFSET),
     "OTTD_RECOLOUR": (0x18, 1, Action5BlockType.OFFSET),
+    "ROAD_WAYPOINTS": (0x19, 4, Action5BlockType.OFFSET),
 }