Sorry, but I am going to have to disagree completely. First of all, as others have said, tire walls are used on nearly EVERY race track these days as a safety measure. The walls are excellent at absorbing impact. Also, flying and rolling tyres are REALISTIC. Why would you not want realism in a simulation game? I think the tyre-wall physics are excellent and act very realistically. By the way, if you hit one of these tyres and crash, then tough luck. Debris on the racetrack is all part of racing. You should do your best to avoid it. After all, everytime someone wrecks in real life there is debris which can cut your tires, or cause damage. You're lucky that LFS doesn't also include this aspect in the game!