From c8d82eb988e5974358b15b7895c33a96ed35d2ae Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Tue, 16 Jan 2024 00:48:56 +0000
Subject: [PATCH] Fix two rail types per tile with savegame versions before 24

---
 src/saveload/afterload.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index f8991e5d97..79a6f9d002 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -1703,6 +1703,9 @@ bool AfterLoadGame()
 				default:
 					break;
 			}
+			if (IsPlainRailTile(t) || (IsRailTunnelBridgeTile(t) && IsBridge(t))) {
+				SetSecondaryRailType(t, GetRailType(t));
+			}
 		}
 
 		for (Train *v : Train::Iterate()) {