From cba9b56ff78959a481ae9ddf6bb02fcd785509be Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Wed, 29 Apr 2020 17:56:26 +0100
Subject: [PATCH] Custom bridge heads: Fix secondary rail track type when
 removing piece

In case when new configuration is parallel tracks
---
 src/rail_cmd.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index 2c8c2d6940..1698eaf5e5 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -934,6 +934,11 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, DoCommandFlag flags, uint32 p1,
 					if (v != nullptr) FreeTrainTrackReservation(v);
 				}
 
+				if (future == TRACK_BIT_HORZ || future == TRACK_BIT_VERT) {
+					// Changing to two separate tracks with separate rail types
+					SetSecondaryRailType(tile, GetRailType(tile));
+				}
+
 				SetCustomBridgeHeadTrackBits(tile, future);
 				AddRailTunnelBridgeInfrastructure(tile, other_end);
 				DirtyCompanyInfrastructureWindows(_current_company);