I was racing on Kioto Ring National when I found something strange on the grass. I went there and found this:
http://cid-39da761e282baa45.sk ... to%7C_national%7C_bug.JPG

I'm not sure what it is, but its a bug =D
Sometimes the car just passes through it but depending on how you pass through the car crashes.

*in Patch Y21

http://www.lfsforum.net/showthread.php?t=43576 already posted