/// <summary>
 /// This method is very slow
 /// </summary>
 public static bool IsExemptedNExt(this NetInfo info)
 {
     if (!info.IsNExt() || info.IsNormalGroundRoad())
     {
         return(false);
     }
     Log.Debug("info.GetGroundInfo()?.category=" + info.GetGroundInfo()?.category);
     return(info.GetGroundInfo()?.category?.StartsWith("RoadsSmall") ?? false); //small and small heavy
 }