trackeditor gets slow

[bunny]

I created a JPK file.it's size 37Kb.size of all images = 164kb.But track editor gets slow.with other V drift tracks ,it works normally

http://www.2shared.com/file/CQohkuDc/my_online.html

[NaN]

Not related to your issue, but I've just imported your track into blender. Your road has a width of about 2300 units. That will be 2300 meters in game. Is this intended?

[bunny]

oh, i see :o