1 files changed, 3 insertions, 0 deletions
diff --git a/vehicle.h b/vehicle.h
index 80b31b30d..fc6645ff1 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -92,6 +92,9 @@ enum {
 
 	// used to reverse the visible direction of the vehicle
 	VRF_REVERSE_DIRECTION = 4,
+
+	// used to mark train as lost because PF can't find the route
+	VRF_NO_PATH_TO_DESTINATION = 5,
 };
 
 typedef struct VehicleAir {