I came across an article just a bit ago about the concerns from MotoGP bikers about the bumps that have popped up all over the track. Several mentioned that they consider the track layout as one of the best but because of all the bumps, they have to be careful and not go as fast as they would like. Supposedly the bumps have been scraped down but that had been tried before and didn't work. Sounds like they need to do a bit more than simply scraping down bumps. They do mention the soil topography as a factor, however regardless of soils shifting, they should have been able to build it in such away that shifting clay soil would be minimized. It's not even that old in terms of track age, they shouldn't be having that bad of a problem so soon. I mean if the Roman Empire could build roads, many that have lasted and are used to this day, then surely they could have done a better job with building the track. Those Roman's knew how to build roads that last..
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"GOOD TIMES!!!" Jerri Blank (Strangers With Candy)