diff --git a/console_cmds.c b/console_cmds.c
index d426b99d7c..5077c5c4a3 100644
--- a/console_cmds.c
+++ b/console_cmds.c
@@ -1402,6 +1402,19 @@ DEF_CONSOLE_CMD(ConPatch)
 	return true;
 }
 
+DEF_CONSOLE_CMD(ConListPatches)
+{
+	if (argc == 0) {
+		IConsoleHelp("List patch options. Usage: 'list_patches'");
+		return true;
+	}
+
+	if (argc != 1) return false;
+
+	IConsoleListPatches();
+	return true;
+}
+
 DEF_CONSOLE_CMD(ConListDumpVariables)
 {
 	const IConsoleVar *var;
@@ -1482,6 +1495,7 @@ void IConsoleStdLibRegister(void)
 	IConsoleCmdRegister("pwd",          ConPrintWorkingDirectory);
 	IConsoleCmdRegister("clear",        ConClearBuffer);
 	IConsoleCmdRegister("patch",        ConPatch);
+	IConsoleCmdRegister("list_patches", ConListPatches);
 
 	IConsoleAliasRegister("dir",      "ls");
 	IConsoleAliasRegister("del",      "rm %+");
diff --git a/rail_cmd.c b/rail_cmd.c
index c8ed51c32b..cf97331749 100644
--- a/rail_cmd.c
+++ b/rail_cmd.c
@@ -272,7 +272,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 		case MP_RAILWAY:
 			if (!CheckTrackCombination(tile, trackbit, flags) ||
-					!EnsureNoVehicle(tile)) {
+					!EnsureNoVehicleOnGround(tile)) {
 				return CMD_ERROR;
 			}
 			if (!IsTileOwner(tile, _current_player) ||
@@ -307,7 +307,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 			}
 #undef M
 
-			if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+			if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 			if (GetRoadTileType(tile) == ROAD_TILE_NORMAL) {
 				if (HasRoadWorks(tile)) return_cmd_error(STR_ROAD_WORKS_IN_PROGRESS);
@@ -384,7 +384,7 @@ int32 CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 			if (!IsLevelCrossing(tile) ||
 					GetCrossingRailBits(tile) != trackbit ||
 					(_current_player != OWNER_WATER && !CheckTileOwnership(tile)) ||
-					!EnsureNoVehicle(tile)) {
+					!EnsureNoVehicleOnGround(tile)) {
 				return CMD_ERROR;
 			}
 
@@ -399,7 +399,7 @@ int32 CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 			if (!IsPlainRailTile(tile) ||
 					(_current_player != OWNER_WATER && !CheckTileOwnership(tile)) ||
-					!EnsureNoVehicle(tile)) {
+					!EnsureNoVehicleOnGround(tile)) {
 				return CMD_ERROR;
 			}
 
@@ -654,7 +654,7 @@ int32 CmdBuildSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 	sigvar = HASBIT(p1, 3) ? SIG_SEMAPHORE : SIG_ELECTRIC;
 	pre_signal = HASBIT(p1, 3);
 
-	if (!ValParamTrackOrientation(track) || !IsTileType(tile, MP_RAILWAY) || !EnsureNoVehicle(tile))
+	if (!ValParamTrackOrientation(track) || !IsTileType(tile, MP_RAILWAY) || !EnsureNoVehicleOnGround(tile))
 		return CMD_ERROR;
 
 	/* Protect against invalid signal copying */
@@ -833,7 +833,7 @@ int32 CmdRemoveSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 	if (!ValParamTrackOrientation(track) ||
 			!IsTileType(tile, MP_RAILWAY) ||
-			!EnsureNoVehicle(tile) ||
+			!EnsureNoVehicleOnGround(tile) ||
 			!HasSignalOnTrack(tile, track)) {
 		return CMD_ERROR;
 	}
@@ -890,7 +890,7 @@ static int32 DoConvertRail(TileIndex tile, RailType totype, bool exec)
 
 	if (GetRailType(tile) == totype) return CMD_ERROR;
 
-	if (!EnsureNoVehicle(tile) && (!IsCompatibleRail(GetRailType(tile), totype) || IsPlainRailTile(tile))) return CMD_ERROR;
+	if (!EnsureNoVehicleOnGround(tile) && (!IsCompatibleRail(GetRailType(tile), totype) || IsPlainRailTile(tile))) return CMD_ERROR;
 
 	// 'hidden' elrails can't be downgraded to normal rail when elrails are disabled
 	if (_patches.disable_elrails && totype == RAILTYPE_RAIL && GetRailType(tile) == RAILTYPE_ELECTRIC) return CMD_ERROR;
@@ -993,7 +993,7 @@ static int32 RemoveTrainDepot(TileIndex tile, uint32 flags)
 	if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER)
 		return CMD_ERROR;
 
-	if (!EnsureNoVehicle(tile))
+	if (!EnsureNoVehicleOnGround(tile))
 		return CMD_ERROR;
 
 	if (flags & DC_EXEC) {
diff --git a/road_cmd.c b/road_cmd.c
index 25bf373031..633b001ed2 100644
--- a/road_cmd.c
+++ b/road_cmd.c
@@ -308,7 +308,7 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 					if ((existing & pieces) == pieces) {
 						return_cmd_error(STR_1007_ALREADY_BUILT);
 					}
-					if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+					if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 					break;
 
 				case ROAD_TILE_CROSSING:
@@ -352,7 +352,7 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 				default: goto do_clear;
 			}
 
-			if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+			if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 			if (flags & DC_EXEC) {
 				YapfNotifyTrackLayoutChange(tile, FIND_FIRST_BIT(GetTrackBits(tile)));
@@ -436,7 +436,7 @@ int32 DoConvertStreetRail(TileIndex tile, RailType totype, bool exec)
 	if (!IsLevelCrossing(tile)) return CMD_ERROR;
 
 	// not owned by me?
-	if (!CheckTileOwnership(tile) || !EnsureNoVehicle(tile)) return CMD_ERROR;
+	if (!CheckTileOwnership(tile) || !EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 	if (GetRailTypeCrossing(tile) == totype) return CMD_ERROR;
 
@@ -581,7 +581,7 @@ int32 CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 	if (p1 > 3) return CMD_ERROR; // check direction
 
-	if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 	tileh = GetTileSlope(tile, NULL);
 	if (tileh != SLOPE_FLAT && (
@@ -947,7 +947,7 @@ static void TileLoop_Road(TileIndex tile)
 			if (t->road_build_months != 0 &&
 					(DistanceManhattan(t->xy, tile) < 8 || grp != 0) &&
 					GetRoadTileType(tile) == ROAD_TILE_NORMAL && (GetRoadBits(tile) == ROAD_X || GetRoadBits(tile) == ROAD_Y)) {
-				if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicle(tile) && CHANCE16(1, 20)) {
+				if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile) && CHANCE16(1, 20)) {
 					StartRoadWorks(tile);
 
 					SndPlayTileFx(SND_21_JACKHAMMER, tile);
diff --git a/settings.c b/settings.c
index dd98be7549..3257e11015 100644
--- a/settings.c
+++ b/settings.c
@@ -260,7 +260,13 @@ static IniFile *ini_load(const char *filename)
 			}
 		} else if (group) {
 			// find end of keyname
-			for (t = s; *t != '\0' && *t != '=' && *t != '\t' && *t != ' '; t++);
+			if (*s == '\"') {
+				s++;
+				for (t = s; *t != '\0' && *t != '\"'; t++);
+				if (*t == '\"') *t = ' ';
+			} else {
+				for (t = s; *t != '\0' && *t != '=' && *t != '\t' && *t != ' '; t++);
+			}
 
 			// it's an item in an existing group
 			item = ini_item_alloc(group, s, t-s);
@@ -348,11 +354,18 @@ static bool ini_save(const char *filename, IniFile *ini)
 			assert(item->value != NULL);
 			if (item->comment != NULL) fputs(item->comment, f);
 
+			/* protect item->name with quotes if needed */
+			if (strchr(item->name, ' ') != NULL) {
+				fprintf(f, "\"%s\"", item->name);
+			} else {
+				fprintf(f, "%s", item->name);
+			}
+
 			/* Don't give an equal sign to list items that don't have a parameter */
 			if (group->type == IGT_LIST && *item->value == '\0') {
-				fprintf(f, "%s\n", item->name);
+				fprintf(f, "\n");
 			} else {
-				fprintf(f, "%s = %s\n", item->name, item->value);
+				fprintf(f, " = %s\n", item->value);
 			}
 		}
 	}
@@ -1800,6 +1813,26 @@ void IConsoleGetPatchSetting(const char *name)
 		name, value, (sd->desc.flags & SGF_0ISDISABLED) ? "(0) " : "", sd->desc.min, sd->desc.max);
 }
 
+void IConsoleListPatches(void)
+{
+	const SettingDesc *sd;
+	IConsolePrintF(_icolour_warn, "All patches with their current value:");
+
+	for (sd = _patch_settings; sd->save.cmd != SL_END; sd++) {
+		char value[80];
+		const void *ptr = GetVariableAddress((_game_mode == GM_MENU) ? &_patches_newgame : &_patches, &sd->save);
+
+		if (sd->desc.cmd == SDT_BOOLX) {
+			snprintf(value, lengthof(value), (*(bool*)ptr == 1) ? "on" : "off");
+		} else {
+			snprintf(value, lengthof(value), "%d", (uint32)ReadValue(ptr, sd->save.conv));
+		}
+		IConsolePrintF(_icolour_def, "%s = %s", sd->desc.name, value);
+	}
+
+	IConsolePrintF(_icolour_warn, "Use 'patch' command to change a value");
+}
+
 /** Save and load handler for patches/settings
  * @param osd SettingDesc struct containing all information
  * @param object can be either NULL in which case we load global variables or
diff --git a/settings.h b/settings.h
index 0ab3ecef32..e0155ef30d 100644
--- a/settings.h
+++ b/settings.h
@@ -71,6 +71,7 @@ extern Patches _patches_newgame;
 
 bool IConsoleSetPatchSetting(const char *name, int32 value);
 void IConsoleGetPatchSetting(const char *name);
+void IConsoleListPatches(void);
 const SettingDesc *GetPatchFromName(const char *name, uint *i);
 bool SetPatchValue(uint index, const Patches *object, int32 value);
 
diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c
index e021ec0dc6..1ef7bf4c62 100644
--- a/tunnelbridge_cmd.c
+++ b/tunnelbridge_cmd.c
@@ -675,7 +675,7 @@ static int32 DoClearBridge(TileIndex tile, uint32 flags)
 
 	endtile = GetOtherBridgeEnd(tile);
 
-	if (!EnsureNoVehicle(tile) || !EnsureNoVehicle(endtile)) return CMD_ERROR;
+	if (!EnsureNoVehicleOnGround(tile) || !EnsureNoVehicleOnGround(endtile)) return CMD_ERROR;
 
 	direction = GetBridgeRampDirection(tile);
 	delta = TileOffsByDiagDir(direction);
@@ -828,8 +828,8 @@ int32 DoConvertTunnelBridgeRail(TileIndex tile, RailType totype, bool exec)
 
 		endtile = GetOtherBridgeEnd(tile);
 
-		if (!EnsureNoVehicle(tile) ||
-				!EnsureNoVehicle(endtile) ||
+		if (!EnsureNoVehicleOnGround(tile) ||
+				!EnsureNoVehicleOnGround(endtile) ||
 				FindVehicleBetween(tile, endtile, GetBridgeHeightRamp(tile), false) != NULL) {
 			return_cmd_error(STR_8803_TRAIN_IN_THE_WAY);
 		}