When I tried FSD Beta out in my neighborhood shortly after sunrise on Sunday, I noticed that it slowed to around 19 mph for most of the speed humps, but it tried to barrel over one without slowing from 25 mph at all. (I hit the brake right before, to cushion the jarring somewhat.)Really impressed with how the Beta handles different kinds of speed bumps. The wider “humps” that aren’t as jarring it slows down to around 18-19 mph, and for the narrower but more abrupt ones it slows down to below 10 mph. Impressive. Of note is that these are all well painted, so I don’t know if it is vision or map data. I assume it’s at least partially vision because the more abrupt narrower bumps were in a parking lot that isn’t mapped on the Tesla Nav screen.
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I think its vision detecting them, because most have three big white triangles on their leading edge on each side of the road, like this:
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I haven't had a had a chance to try going over an old-style speed bump yet.