diff --git a/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java b/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
index d600025..b67584b 100644
--- a/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
+++ b/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
@@ -17,7 +17,8 @@ import java.util.Map;
 import java.util.StringTokenizer;
 import java.util.TreeMap;
 
-import btools.util.*;
+import btools.util.BitCoderContext;
+import btools.util.Crc32;
 
 
 public final class BExpressionContext
@@ -122,6 +123,7 @@ public final class BExpressionContext
 	ctx.encodeBit( ld[0] != 0 );
 	
 	int skippedTags = 0;
+	int nonNullTags= 0;
   	
     // all others are generic
     for( int inum = 1; inum < lookupValues.size(); inum++ ) // loop over lookup names
@@ -133,6 +135,7 @@ public final class BExpressionContext
         continue;
       }
       ctx.encodeDistance( skippedTags+1 );
+      nonNullTags++;
       skippedTags = 0;
       
       // 0 excluded already, 1 (=unknown) we rotate up to 8
@@ -141,15 +144,53 @@ public final class BExpressionContext
       ctx.encodeDistance(  dd );
     }
     ctx.encodeDistance( 0 );
+    
+    if ( nonNullTags == 0) return null;
+    
     int len = ctx.getEncodedLength();
     byte[] ab = new byte[len];
     System.arraycopy( abBuf, 0, ab, 0, len );
+    
+    
+    // crosscheck: decode and compare
+    int[] ld2 = new int[lookupValues.size()];
+    decode( ld2, ab );
+    for( int inum = 0; inum < lookupValues.size(); inum++ ) // loop over lookup names
+    {
+    	if ( ld2[inum] != ld[inum] ) throw new RuntimeException( "assertion failed encoding " + getKeyValueDescription(ab) );
+    }    
+    
     return ab;
   }
 
-  private byte[] encodeFix( int[] ld )
+  /**
+   * encode lookup data to a 64-bit word
+   */
+  public byte[] encodeFix( int[] ld )
   {
-    throw new IllegalArgumentException( "encoding fixed-length not supporte" );
+    long w = 0;
+    for( int inum = 0; inum < lookupValues.size(); inum++ ) // loop over lookup names
+    {
+      int n = lookupValues.get(inum).length - 1;
+      int d = ld[inum];
+      if ( n == 2 ) { n = 1; d = d == 2 ? 1 : 0; } // 1-bit encoding for booleans
+
+      while( n != 0 ) { n >>= 1; w <<= 1; }
+      w |= (long)d;
+    }
+    if ( w == 0) return null;
+    
+    byte[] ab = new byte[8];
+    int aboffset = 0;
+	ab[aboffset++] = (byte)( (w >> 56) & 0xff );
+    ab[aboffset++] = (byte)( (w >> 48) & 0xff );
+	ab[aboffset++] = (byte)( (w >> 40) & 0xff );
+    ab[aboffset++] = (byte)( (w >> 32) & 0xff );
+	ab[aboffset++] = (byte)( (w >> 24) & 0xff );
+    ab[aboffset++] = (byte)( (w >> 16) & 0xff );
+	ab[aboffset++] = (byte)( (w >>  8) & 0xff );
+    ab[aboffset++] = (byte)( (w      ) & 0xff );
+    return ab;
   }
   
 
@@ -186,7 +227,7 @@ public final class BExpressionContext
       // see encoder for value rotation
       int dd = ctx.decodeDistance();
       int d = dd == 7 ? 1 : ( dd < 7 ? dd + 2 : dd + 1);
-      if ( d >= lookupValues.get(inum).length ) d = 1; // map out-of-range to unkown
+      if ( d >= lookupValues.get(inum).length ) d = 1; // map out-of-range to unknown
       ld[inum++] = d;
     }
     while( inum < ld.length ) ld[inum++] = 0;
@@ -257,10 +298,7 @@ public final class BExpressionContext
      for( int inum = 0; inum < lookupValues.size(); inum++ ) // loop over lookup names
      {
        BExpressionLookupValue[] va = lookupValues.get(inum);
-       int dataIdx = lookupData[inum];
-       if ( dataIdx >= va.length )
-          throw new RuntimeException( "ups, inum=" + inum + " dataIdx=" + dataIdx + " va.length=" + va.length + " sb=" + sb );
-       String value = va[dataIdx].toString();
+       String value = va[lookupData[inum]].toString();
        if ( value != null && value.length() > 0 )
        {
          sb.append( " " + lookupNames.get( inum ) + "=" + value );
@@ -576,7 +614,7 @@ public final class BExpressionContext
   public boolean getBooleanLookupValue( String name )
   {
     Integer num = lookupNumbers.get( name );
-    return num != null && lookupData[num.intValue()] != 0;
+    return num != null && lookupData[num.intValue()] == 2;
   }
 
   public void parseFile( File file, String readOnlyContext )
diff --git a/brouter-map-creator/src/main/java/btools/mapcreator/OsmNodeP.java b/brouter-map-creator/src/main/java/btools/mapcreator/OsmNodeP.java
index 88251f4..1e45f11 100644
--- a/brouter-map-creator/src/main/java/btools/mapcreator/OsmNodeP.java
+++ b/brouter-map-creator/src/main/java/btools/mapcreator/OsmNodeP.java
@@ -82,7 +82,7 @@ public class OsmNodeP implements Comparable<OsmNodeP>
      return null;
    }
 
-   public void writeNodeData( DataOutputStream os ) throws IOException
+   public void writeNodeData( DataOutputStream os, boolean writeVarLength ) throws IOException
    {
      int lonIdx = ilon/62500;
      int latIdx = ilat/62500;
@@ -131,45 +131,68 @@ public class OsmNodeP implements Comparable<OsmNodeP>
     	   
          OsmNodeP target = link.targetNode;
          int tranferbit = target.isTransferNode() ? TRANSFERNODE_BITMASK : 0;
-         int writedescbit = link.descriptionBitmap != lastDescription ? WRITEDESC_BITMASK : 0;
          int nodedescbit = nodeDescription != null ? NODEDESC_BITMASK : 0;
 
-         if ( skipDetailBit != 0 )
+         int writedescbit = 0;
+         if ( skipDetailBit == 0 ) // check if description changed
          {
-           writedescbit = 0;
+        	 int inverseBitByteIndex =  writeVarLength ? 0 : 7;
+        	 boolean inverseDirection = link instanceof OsmLinkPReverse;
+        	 byte[] ab = link.descriptionBitmap;
+             int abLen = ab.length;
+             int lastLen = lastDescription == null ? 0 : lastDescription.length;
+             boolean equalsCurrent = abLen == lastLen;
+             if ( equalsCurrent )
+             {
+               for( int i=0; i<abLen; i++ )
+               {
+                 byte b = ab[i];
+                 if ( i == inverseBitByteIndex && inverseDirection ) b ^= 1;
+          	     if ( b != lastDescription[i] ) { equalsCurrent = false; break; }
+               }
+             }
+        	 if ( !equalsCurrent )
+        	 {
+        		 writedescbit = WRITEDESC_BITMASK;
+        		 lastDescription = new byte[abLen];
+        	     System.arraycopy( ab,  0,  lastDescription,  0 , abLen );
+        	     if ( inverseDirection ) lastDescription[inverseBitByteIndex] ^= 1;
+        	 }
+        	 
          }
          int targetLonIdx = target.ilon/62500;
          int targetLatIdx = target.ilat/62500;
 
+         int bm = tranferbit | writedescbit | nodedescbit | skipDetailBit;
+         if ( writeVarLength ) bm |= VARIABLEDESC_BITMASK;
+
          if ( targetLonIdx == lonIdx && targetLatIdx == latIdx )
          {
            // reduced position for internal target
-           os2.writeByte( tranferbit | writedescbit | nodedescbit | skipDetailBit | VARIABLEDESC_BITMASK );
+           os2.writeByte( bm );
            os2.writeShort( (short)(target.ilon - lonIdx*62500 - 31250) );
            os2.writeShort( (short)(target.ilat - latIdx*62500 - 31250) );
          }
          else
          {
            // full position for external target
-           os2.writeByte( tranferbit | writedescbit | nodedescbit | skipDetailBit | EXTERNAL_BITMASK | VARIABLEDESC_BITMASK );
+           os2.writeByte( bm | EXTERNAL_BITMASK );
            os2.writeInt( target.ilon );
            os2.writeInt( target.ilat );
          }
          if ( writedescbit != 0 )
          {
            // write the way description, code direction into the first bit
-           byte[] dbytes = link.descriptionBitmap;
-           int len = dbytes.length;
-           os2.writeByte( len );
-           os2.writeByte( link instanceof OsmLinkPReverse ? dbytes[0] | 1 : dbytes[0] );
-           if ( len > 1 ) os2.write( dbytes, 1, len-1 );
+           int len = lastDescription.length;
+           if ( writeVarLength ) os2.writeByte( len );
+           os2.write( lastDescription, 0, len );
          }
          if ( nodedescbit != 0 )
          {
-           os2.writeByte( nodeDescription.length ); os2.write( nodeDescription );
+           if ( writeVarLength ) os2.writeByte( nodeDescription.length );
+           os2.write( nodeDescription );
            nodeDescription = null;
          }
-         lastDescription = link.descriptionBitmap;
 
          if ( tranferbit == 0)
          {
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 a667ed1..317ec31 100644
--- a/brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java
+++ b/brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java
@@ -40,6 +40,7 @@ public class WayLinker extends MapCreatorBase
   private CompactLongSet borderSet;
   private short lookupVersion;
   private short lookupMinorVersion;
+  private boolean writeVarLength;
 
   private long creationTimeStamp;
   
@@ -81,6 +82,7 @@ public class WayLinker extends MapCreatorBase
     expctxWay.readMetaData( lookupFile );
     lookupVersion = expctxWay.lookupVersion;
     lookupMinorVersion = expctxWay.lookupMinorVersion;
+    writeVarLength = expctxWay.readVarLength;
     expctxWay.parseFile( profileFile, "global" );
     
     creationTimeStamp = System.currentTimeMillis();
@@ -268,7 +270,7 @@ public class WayLinker extends MapCreatorBase
                 for( int ni=0; ni<subList.size(); ni++ )
                 {
                   OsmNodeP n = subList.get(ni);
-                  n.writeNodeData( dos );
+                  n.writeNodeData( dos, writeVarLength );
                 }
                 dos.close();
                 byte[] subBytes = bos.toByteArray();
diff --git a/misc/profiles2/car-test.brf b/misc/profiles2/car-test.brf
index a566112..4b730ec 100644
--- a/misc/profiles2/car-test.brf
+++ b/misc/profiles2/car-test.brf
@@ -40,10 +40,10 @@ assign caraccess
                                    switch or highway=residential highway=living_street 1
                                    switch    highway=service                           1
                                    0
-                                   or access=yes or access=designated access=destination
+                                   or access=yes or access=permissive or access=designated access=destination
                             or vehicle=yes or vehicle=designated vehicle=destination
-                     or motor_vehicle=yes or motor_vehicle=designated motor_vehicle=destination
-              or motorcar=yes or motorcar=designated motorcar=destination
+                     or motor_vehicle=yes or motor_vehicle=permissive or motor_vehicle=designated motor_vehicle=destination
+              or motorcar=yes or motorcar=permissive or motorcar=designated motorcar=destination
 
 assign accesspenalty
        switch caraccess
@@ -97,10 +97,10 @@ assign caraccess
                                    switch barrier=lift_gate 0
                                    switch barrier=cycle_barrier 0
                                    1
-                                   or access=yes or access=designated access=destination
-                            or vehicle=yes or vehicle=designated vehicle=destination
-                     or motor_vehicle=yes or motor_vehicle=designated motor_vehicle=destination
-              or motorcar=yes or motorcar=designated motorcar=destination
+                                   or access=yes access=permissive or access=designated access=destination
+                            or vehicle=yes or vehicle=permissive or vehicle=designated vehicle=destination
+                     or motor_vehicle=yes or motor_vehicle=permissive or motor_vehicle=designated motor_vehicle=destination
+              or motorcar=yes or motorcar=permissive or motorcar=designated motorcar=destination
 
 assign initialcost
        switch caraccess
diff --git a/misc/profiles2/fastbike.brf b/misc/profiles2/fastbike.brf
index 63b4572..d558813 100644
--- a/misc/profiles2/fastbike.brf
+++ b/misc/profiles2/fastbike.brf
@@ -29,7 +29,8 @@ assign uphillcutoff 1.5
 
 ---context:way   # following code refers to way-tags
 
-
+assign any_cycleroute or route_bicycle_icn=yes or route_bicycle_ncn=yes or route_bicycle_rcn=yes route_bicycle_lcn=yes
+assign nodeaccessgranted or any_cycleroute lcn=yes
 
 assign ispaved or surface=paved or surface=asphalt or surface=concrete surface=paving_stones
 assign isunpaved not or surface= or ispaved or surface=fine_gravel surface=cobblestone
@@ -53,7 +54,7 @@ assign defaultaccess
 # calculate logical bike access
 #
 assign bikeaccess
-       or longdistancecycleway=yes
+       or any_cycleroute
           switch bicycle=
                  switch vehicle=
                         defaultaccess
@@ -140,7 +141,7 @@ assign defaultaccess
                      1
 
 assign bikeaccess
-       or or longdistancecycleway=yes lcn=yes
+       or nodeaccessgranted=yes
           switch bicycle=
                  switch vehicle=
                         defaultaccess
diff --git a/misc/profiles2/shortest.brf b/misc/profiles2/shortest.brf
index acd7f9d..2eabf2e 100644
--- a/misc/profiles2/shortest.brf
+++ b/misc/profiles2/shortest.brf
@@ -11,6 +11,9 @@ assign   validForFoot        1
 
 ---context:way   # following code refers to way-tags
 
+assign any_cycleroute or route_bicycle_icn=yes or route_bicycle_ncn=yes or route_bicycle_rcn=yes route_bicycle_lcn=yes
+assign nodeaccessgranted or any_cycleroute lcn=yes
+
 assign turncost 0
 
 assign initialcost switch highway=ferry 10000 0
@@ -30,7 +33,7 @@ assign defaultaccess
 # calculate logical bike access
 #
 assign bikeaccess
-       or longdistancecycleway=yes
+       or any_cycleroute
           switch bicycle=
                  switch vehicle=
                         defaultaccess
@@ -69,7 +72,7 @@ assign defaultaccess
                      1
 
 assign bikeaccess
-       or or longdistancecycleway=yes lcn=yes
+       or nodeaccessgranted=yes
           switch bicycle=
                  switch vehicle=
                         defaultaccess
diff --git a/misc/profiles2/trekking.brf b/misc/profiles2/trekking.brf
index 76982c1..3ede9c5 100644
--- a/misc/profiles2/trekking.brf
+++ b/misc/profiles2/trekking.brf
@@ -34,7 +34,7 @@ assign any_cycleroute or route_bicycle_icn=yes or route_bicycle_ncn=yes or route
 assign nodeaccessgranted or any_cycleroute lcn=yes
 
 assign is_ldcr and any_cycleroute not ignore_cycleroutes
-assign isbike or bicycle=yes or bicycle=designated lcn=yes
+assign isbike or bicycle=yes or or bicycle=permissive bicycle=designated lcn=yes
 assign ispaved or surface=paved or surface=asphalt or surface=concrete surface=paving_stones
 assign isunpaved not or surface= or ispaved or surface=fine_gravel surface=cobblestone
 assign probablyGood or ispaved and isbike not isunpaved