--- a/chunnel.pre.patch	2021-01-03 22:39:24.363263631 +0100
+++ b/chunnel.pre.patch	2021-01-03 22:39:24.363263631 +0100
@@ -180,16 +180,17 @@
  STR_TRANSPARENT_INVISIBLE_TOOLTIP                               :{BLACK}Set objects invisible instead of transparent
  
  # Linkgraph legend window
-@@ -2724,7 +2725,9 @@ STR_LAI_WATER_DESCRIPTION_SHIP_DEPOT                            :Ship depot
+@@ -2724,8 +2725,10 @@ STR_LAI_WATER_DESCRIPTION_SHIP_DEPOT                            :Ship depot
  # Industries come directly from their industry names
  
  STR_LAI_TUNNEL_DESCRIPTION_RAILROAD                             :Railway tunnel
 +STR_LAI_TUNNEL_DESCRIPTION_RAILROAD_CHUNNEL                     :Railway tunnel (underwater)
+ STR_LAI_TUNNEL_DESCRIPTION_RAILROAD_SIGNAL                      :Railway tunnel with signal simulation
  STR_LAI_TUNNEL_DESCRIPTION_ROAD                                 :Road tunnel
 +STR_LAI_TUNNEL_DESCRIPTION_ROAD_CHUNNEL                         :Road tunnel (underwater)
  
+ STR_LAI_BRIDGE_DESCRIPTION_RAILROAD_SIGNAL                      :Railway bridge with signal simulation
  STR_LAI_BRIDGE_DESCRIPTION_RAIL_SUSPENSION_STEEL                :Steel suspension rail bridge
- STR_LAI_BRIDGE_DESCRIPTION_RAIL_GIRDER_STEEL                    :Steel girder rail bridge
 @@ -4542,6 +4545,10 @@ STR_ERROR_ANOTHER_TUNNEL_IN_THE_WAY                             :{WHITE}Another
  STR_ERROR_TUNNEL_THROUGH_MAP_BORDER                             :{WHITE}Tunnel would end out of the map
  STR_ERROR_UNABLE_TO_EXCAVATE_LAND                               :{WHITE}Unable to excavate land for other end of tunnel