diff --git a/plugins/filltraffic.cpp b/plugins/filltraffic.cpp
index 6e87fd854..d7e528c92 100644
--- a/plugins/filltraffic.cpp
+++ b/plugins/filltraffic.cpp
@@ -23,6 +23,8 @@ typedef void (*checkTile)(DFCoord, MapExtras::MapCache &);
 //Forward Declarations for Commands
 command_result filltraffic(color_ostream &out, std::vector<std::string> & params);
 command_result alltraffic(color_ostream &out, std::vector<std::string> & params);
+command_result restrictLiquid(color_ostream &out, std::vector<std::string> & params);
+command_result restrictIce(color_ostream &out, std::vector<std::string> & params);
 
 //Forward Declarations for Utility Functions
 command_result setAllMatching(color_ostream &out, checkTile checkProc,
@@ -34,6 +36,9 @@ void allNormal(DFCoord coord, MapExtras::MapCache & map);
 void allLow(DFCoord coord, MapExtras::MapCache & map);
 void allRestricted(DFCoord coord, MapExtras::MapCache & map);
 
+void restrictLiquidProc(DFCoord coord, MapExtras::MapCache &map);
+void restrictIceProc(DFCoord coord, MapExtras::MapCache &map);
+
 DFHACK_PLUGIN("filltraffic");
 
 DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
@@ -66,6 +71,14 @@ DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <Plug
         "  L: Low Traffic\n"
         "  R: Restricted Traffic\n"
     ));
+	commands.push_back(PluginCommand(
+		"restrictliquids","Restrict on every visible square with liquid",
+		restrictLiquid, false, ""
+	));
+	commands.push_back(PluginCommand(
+		"restrictice","Restrict traffic on squares above visible ice",
+		restrictIce, false, ""
+	));
     return CR_OK;
 }
 
@@ -265,6 +278,16 @@ command_result alltraffic(color_ostream &out, std::vector<std::string> & params)
     return setAllMatching(out, proc);
 }
 
+command_result restrictLiquid(color_ostream &out, std::vector<std::string> & params)
+{
+  return setAllMatching(out, restrictLiquidProc);
+}
+
+command_result restrictIce(color_ostream &out, std::vector<std::string> & params)
+{
+	return setAllMatching(out, restrictIceProc);
+}
+
 //Helper function for writing new functions that check every tile on the map.
 //newTraffic is the traffic designation to set.
 //check takes a coordinate and the map cache as arguments, and returns true if the criteria is met.
@@ -356,3 +379,33 @@ void allRestricted(DFCoord coord, MapExtras::MapCache &map)
     des.bits.traffic = tile_traffic::Restricted;
     map.setDesignationAt(coord, des);
 }
+
+//Restrict traffic if tile is visible and liquid is present.
+void restrictLiquidProc(DFCoord coord, MapExtras::MapCache &map)
+{
+	df::tile_designation des = map.designationAt(coord);
+	if ((des.bits.hidden == 0) && (des.bits.flow_size != 0))
+	{
+		des.bits.traffic = tile_traffic::Restricted;
+		map.setDesignationAt(coord, des);
+	}
+}
+
+//Restrict traffice if tile is above visible ice wall.
+void restrictIceProc(DFCoord coord, MapExtras::MapCache &map)
+{
+	//There is no ice below the bottom of the map.
+	if (coord.z == 0)
+		return;
+
+	DFCoord tile_below = DFCoord(coord.x, coord.y, coord.z - 1);
+	df::tiletype tt = map.tiletypeAt(tile_below);
+	df::tile_designation des = map.designationAt(tile_below);
+
+	if ((des.bits.hidden == 0) && (tileMaterial(tt) == tiletype_material::FROZEN_LIQUID))
+	{
+		des = map.designationAt(coord);
+		des.bits.traffic = tile_traffic::Restricted;
+		map.setDesignationAt(coord, des);
+	}
+}