diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -182,7 +182,7 @@ bool CheckAllowRemoveRoad(TileIndex tile
 	 * then allow it */
 	if (KillFirstBit(n) != ROAD_NONE && (n & remove) != ROAD_NONE) {
 		/* you can remove all kind of roads with extra dynamite */
-		if (!_patches.extra_dynamite) {
+		if (!_settings.construction.extra_dynamite) {
 			SetDParam(0, t->index);
 			_error_message = STR_2009_LOCAL_AUTHORITY_REFUSES;
 			return false;
@@ -279,7 +279,7 @@ static CommandCost RemoveRoad(TileIndex 
 			 * @li if build on slopes is disabled */
 			if (IsSteepSlope(tileh) || (IsStraightRoad(other) &&
 					(other & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) != ROAD_NONE) ||
-					(tileh != SLOPE_FLAT && !_patches.build_on_slopes)) {
+					(tileh != SLOPE_FLAT && !_settings.construction.build_on_slopes)) {
 				pieces |= MirrorRoadBits(pieces);
 			}
 
@@ -419,7 +419,7 @@ static CommandCost CheckRoadSlope(Slope 
 	RoadBits type_bits = existing | *pieces;
 
 	/* Roads on slopes */
-	if (_patches.build_on_slopes && (_invalid_tileh_slopes_road[0][tileh] & (other | type_bits)) == ROAD_NONE) {
+	if (_settings.construction.build_on_slopes && (_invalid_tileh_slopes_road[0][tileh] & (other | type_bits)) == ROAD_NONE) {
 
 		/* If we add leveling we've got to pay for it */
 		if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
@@ -439,7 +439,7 @@ static CommandCost CheckRoadSlope(Slope 
 		if (IsSlopeWithOneCornerRaised(tileh)) {
 
 			/* Prevent build on slopes if it isn't allowed */
-			if (_patches.build_on_slopes) {
+			if (_settings.construction.build_on_slopes) {
 
 				/* If we add foundation we've got to pay for it */
 				if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
@@ -594,7 +594,7 @@ do_clear:;
 		CommandCost ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
 		/* Return an error if we need to build a foundation (ret != 0) but the
 		 * current patch-setting is turned off (or stupid AI@work) */
-		if (CmdFailed(ret) || (ret.GetCost() != 0 && !_patches.build_on_slopes)) {
+		if (CmdFailed(ret) || (ret.GetCost() != 0 && !_settings.construction.build_on_slopes)) {
 			return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
 		}
 		cost.AddCost(ret);
@@ -849,7 +849,7 @@ CommandCost CmdBuildRoadDepot(TileIndex 
 
 	Slope tileh = GetTileSlope(tile, NULL);
 	if (tileh != SLOPE_FLAT && (
-				!_patches.build_on_slopes ||
+				!_settings.construction.build_on_slopes ||
 				IsSteepSlope(tileh) ||
 				!CanBuildDepotByTileh(dir, tileh)
 			)) {
@@ -1359,7 +1359,7 @@ static void TileLoop_Road(TileIndex tile
 	} else if (IncreaseRoadWorksCounter(tile)) {
 		TerminateRoadWorks(tile);
 
-		if (_patches.mod_road_rebuild) {
+		if (_settings.economy.mod_road_rebuild) {
 			/* Generate a nicer town surface */
 			const RoadBits old_rb = GetAnyRoadBits(tile, ROADTYPE_ROAD);
 			const RoadBits new_rb = CleanUpRoadBits(tile, old_rb);
@@ -1570,7 +1570,7 @@ static void ChangeTileOwner_Road(TileInd
 
 static CommandCost TerraformTile_Road(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new)
 {
-	if (_patches.build_on_slopes && AutoslopeEnabled()) {
+	if (_settings.construction.build_on_slopes && AutoslopeEnabled()) {
 		switch (GetRoadTileType(tile)) {
 			case ROAD_TILE_CROSSING:
 				if (!IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new)) && HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);