diff --git a/brouter-map-creator/src/main/java/btools/mapcreator/PosUnifier.java b/brouter-map-creator/src/main/java/btools/mapcreator/PosUnifier.java
index e9a43fe..cea8cb5 100644
--- a/brouter-map-creator/src/main/java/btools/mapcreator/PosUnifier.java
+++ b/brouter-map-creator/src/main/java/btools/mapcreator/PosUnifier.java
@@ -28,6 +28,7 @@ public class PosUnifier extends MapCreatorBase {
   private DiffCoderDataOutputStream nodesOutStream;
   private DiffCoderDataOutputStream borderNodesOut;
   private File nodeTilesOut;
+  private File outNodeFile;
   private CompactLongSet[] positionSets;
 
   private Map<String, ElevationRaster> srtmmap;
@@ -107,8 +108,8 @@ public class PosUnifier extends MapCreatorBase {
   @Override
   public void nodeFileStart(File nodefile) throws Exception {
     resetElevationRaster();
-
-    nodesOutStream = createOutStream(fileFromTemplate(nodefile, nodeTilesOut, "u5d"));
+    outNodeFile = fileFromTemplate(nodefile, nodeTilesOut, "u5d");
+    nodesOutStream = createOutStream(outNodeFile);
 
     positionSets = new CompactLongSet[2500];
   }
@@ -138,6 +139,12 @@ public class PosUnifier extends MapCreatorBase {
   @Override
   public void nodeFileEnd(File nodeFile) throws Exception {
     nodesOutStream.close();
+    if (outNodeFile != null) {
+      if (lastSrtmRaster != null) {
+        String newName = outNodeFile.getAbsolutePath() + (lastSrtmRaster.nrows > 6001 ? "_1": "_3");
+        outNodeFile.renameTo(new File(newName));
+      }
+    }
     resetElevationRaster();
   }
 
diff --git a/brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java b/brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java
index 91c70a9..0a01b93 100644
--- a/brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java
+++ b/brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java
@@ -51,6 +51,7 @@ public class WayLinker extends MapCreatorBase implements Runnable {
   private short lookupMinorVersion;
 
   private long creationTimeStamp;
+  private byte elevationType;
 
   private BExpressionContextWay expctxWay;
 
@@ -217,7 +218,14 @@ public class WayLinker extends MapCreatorBase implements Runnable {
     File trafficFile = fileFromTemplate(wayfile, trafficTilesIn, "trf");
 
     // process corresponding node-file, if any
-    File nodeFile = fileFromTemplate(wayfile, nodeTilesIn, "u5d");
+    elevationType = 3;
+    File nodeFile = fileFromTemplate(wayfile, nodeTilesIn, "u5d_1");
+    if (nodeFile.exists()) {
+      elevationType = 1;
+    } else {
+      nodeFile = fileFromTemplate(wayfile, nodeTilesIn, "u5d_3");
+      if (!nodeFile.exists()) nodeFile = fileFromTemplate(wayfile, nodeTilesIn, "u5d");
+    }
     if (nodeFile.exists()) {
       reset();
 
@@ -539,6 +547,7 @@ public class WayLinker extends MapCreatorBase implements Runnable {
       for (int i55 = 0; i55 < 25; i55++) {
         os.writeInt(fileHeaderCrcs[i55]);
       }
+      os.writeByte(elevationType);
 
       os.close();