diff --git a/src/train.h b/src/train.h
--- a/src/train.h
+++ b/src/train.h
@@ -273,6 +273,7 @@ struct Train : public Vehicle {
 	bool HasFront() const { return true; }
 	int GetImage(Direction direction) const;
 	int GetDisplaySpeed() const { return this->cur_speed * 10 / 16; }
+	int GetDisplayMaxSpeed() const { return this->u.rail.cached_max_speed * 10 / 16; }
 	void Tick();
 };