diff --git a/DataStructures/TurnInstructions.h b/DataStructures/TurnInstructions.h
index 2e709831d..66188f923 100644
--- a/DataStructures/TurnInstructions.h
+++ b/DataStructures/TurnInstructions.h
@@ -21,12 +21,12 @@
 #ifndef TURNINSTRUCTIONS_H_
 #define TURNINSTRUCTIONS_H_
 
-#include <string>
+#include <boost/noncopyable.hpp>
 
 typedef unsigned char TurnInstruction;
 
 //This is a hack until c++0x is available enough to use scoped enums
-struct TurnInstructionsClass {
+struct TurnInstructionsClass : boost::noncopyable {
 
     const static TurnInstruction NoTurn = 0;          //Give no instruction at all
     const static TurnInstruction GoStraight = 1;      //Tell user to go straight!
@@ -44,48 +44,13 @@ struct TurnInstructionsClass {
     const static TurnInstruction StayOnRoundAbout = 13;
     const static TurnInstruction StartAtEndOfStreet = 14;
     const static TurnInstruction ReachedYourDestination = 15;
+    const static TurnInstruction GoAgainstAllowedDirection = 32;
 
     const static TurnInstruction AccessRestrictionFlag = 128;
     const static TurnInstruction InverseAccessRestrictionFlag = 0x7f; // ~128 does not work without a warning.
 
     const static int AccessRestrictionPenalty = 1 << 15; //unrelated to the bit set in the restriction flag
 
-//    std::string TurnStrings[16];
-//    std::string Ordinals[12];
-
-    //This is a hack until c++0x is available enough to use initializer lists.
-//    TurnInstructionsClass(){
-//        TurnStrings [0] = "";
-//        TurnStrings [1] = "Continue";
-//        TurnStrings [2] = "Turn slight right";
-//        TurnStrings [3] = "Turn right";
-//        TurnStrings [4] = "Turn sharp right";
-//        TurnStrings [5] = "U-Turn";
-//        TurnStrings [6] = "Turn sharp left";
-//        TurnStrings [7] = "Turn left";
-//        TurnStrings [8] = "Turn slight left";
-//        TurnStrings [9] = "Reach via point";
-//        TurnStrings[10] = "Head";
-//        TurnStrings[11] = "Enter roundabout";
-//        TurnStrings[12] = "Leave roundabout";
-//        TurnStrings[13] = "Stay on roundabout";
-//        TurnStrings[14] = "Start";
-//        TurnStrings[15] = "You have reached your destination";
-//
-//        Ordinals[0]     = "zeroth";
-//        Ordinals[1]     = "first";
-//        Ordinals[2]     = "second";
-//        Ordinals[3]     = "third";
-//        Ordinals[4]     = "fourth";
-//        Ordinals[5]     = "fifth";
-//        Ordinals[6]     = "sixth";
-//        Ordinals[7]     = "seventh";
-//        Ordinals[8]     = "eighth";
-//        Ordinals[9]     = "nineth";
-//        Ordinals[10]    = "tenth";
-//        Ordinals[11]    = "one of the too many";
-//    };
-
     static inline TurnInstruction GetTurnDirectionOfInstruction( const double angle ) {
         if(angle >= 23 && angle < 67) {
             return TurnSharpRight;