diff --git a/src/main/java/mekanism/common/Mekanism.java b/src/main/java/mekanism/common/Mekanism.java
index 2f9f04cb3..b1ec24c6b 100644
--- a/src/main/java/mekanism/common/Mekanism.java
+++ b/src/main/java/mekanism/common/Mekanism.java
@@ -36,8 +36,8 @@ import mekanism.common.EnergyNetwork.EnergyTransferEvent;
 import mekanism.common.FluidNetwork.FluidTransferEvent;
 import mekanism.common.Tier.EnergyCubeTier;
 import mekanism.common.Tier.FactoryTier;
-import mekanism.common.base.IModule;
 import mekanism.common.base.IFactory.RecipeType;
+import mekanism.common.base.IModule;
 import mekanism.common.entity.EntityBabySkeleton;
 import mekanism.common.entity.EntityBalloon;
 import mekanism.common.entity.EntityFlame;
@@ -63,6 +63,7 @@ import mekanism.common.tile.TileEntityEnergizedSmelter;
 import mekanism.common.tile.TileEntityEntangledBlock;
 import mekanism.common.tile.TileEntitySalinationBlock;
 import mekanism.common.tile.TileEntitySalinationValve;
+import mekanism.common.transporter.PathfinderCache;
 import mekanism.common.transporter.TransporterManager;
 import mekanism.common.util.MekanismUtils;
 import mekanism.common.util.MekanismUtils.ResourceType;
@@ -983,6 +984,7 @@ public class Mekanism
 		//Reset consistent managers
 		MultiblockManager.reset();
 		TransporterManager.reset();
+		PathfinderCache.reset();
 	}
 	
 	@EventHandler
diff --git a/src/main/java/mekanism/common/multipart/PlasticMicroMaterial.java b/src/main/java/mekanism/common/multipart/PlasticMicroMaterial.java
index 3f0f4cf6e..70bf96d20 100644
--- a/src/main/java/mekanism/common/multipart/PlasticMicroMaterial.java
+++ b/src/main/java/mekanism/common/multipart/PlasticMicroMaterial.java
@@ -1,7 +1,6 @@
 package mekanism.common.multipart;
 
 import net.minecraft.block.Block;
-
 import codechicken.microblock.BlockMicroMaterial;
 
 public class PlasticMicroMaterial extends BlockMicroMaterial
@@ -11,8 +10,9 @@ public class PlasticMicroMaterial extends BlockMicroMaterial
 		super(block, meta);
 	}
 
+	@Override
 	public int getColour(int pass)
 	{
-		return block().getRenderColor(meta())<<8|0xFF;
+		return block().getRenderColor(meta()) << 8 | 0xFF;
 	}
 }
diff --git a/src/main/java/mekanism/common/transporter/PathfinderCache.java b/src/main/java/mekanism/common/transporter/PathfinderCache.java
new file mode 100644
index 000000000..d8485198d
--- /dev/null
+++ b/src/main/java/mekanism/common/transporter/PathfinderCache.java
@@ -0,0 +1,77 @@
+package mekanism.common.transporter;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import mekanism.api.Coord4D;
+import net.minecraftforge.common.util.ForgeDirection;
+
+public class PathfinderCache 
+{
+	public static Map<PathData, List<Coord4D>> cachedPaths = new HashMap<PathData, List<Coord4D>>();
+	
+	public static void onChanged(Coord4D location)
+	{
+		Set<PathData> toKill = new HashSet<PathData>();
+		
+		for(Map.Entry<PathData, List<Coord4D>> entry : cachedPaths.entrySet())
+		{
+			if(entry.getValue().contains(entry))
+			{
+				toKill.add(entry.getKey());
+			}
+		}
+		
+		for(PathData path : toKill)
+		{
+			cachedPaths.remove(path);
+		}
+	}
+	
+	public static void reset()
+	{
+		cachedPaths.clear();
+	}
+	
+	public static class PathData
+	{
+		public Coord4D start;
+		public ForgeDirection startSide;
+		
+		public Coord4D end;
+		public ForgeDirection endSide;
+		
+		public PathData(Coord4D s, ForgeDirection ss, Coord4D e, ForgeDirection es)
+		{
+			start = s;
+			startSide = ss;
+			
+			end = e;
+			endSide = es;
+		}
+		
+		@Override
+		public boolean equals(Object obj)
+		{
+			return obj instanceof PathData &&
+					((PathData)obj).start.equals(start) &&
+					((PathData)obj).startSide.equals(startSide) &&
+					((PathData)obj).end.equals(end) &&
+					((PathData)obj).endSide.equals(endSide);
+		}
+
+		@Override
+		public int hashCode()
+		{
+			int code = 1;
+			code = 31 * code + start.hashCode();
+			code = 31 * code + startSide.hashCode();
+			code = 31 * code + end.hashCode();
+			code = 31 * code + endSide.hashCode();
+			return code;
+		}
+	}
+}
\ No newline at end of file