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Speed Limit Error

Today while driving through Arlington, MA, I noticed my Tesla Model Y thought the speed limit was 60 in a 25 mph zone. It surprised me so much I asked my daughter to take a picture of it:


I thought to myself, good thing I'm on manual. But then, coming back, the same thing happened: all of a sudden, the speed limit jumped from 25 to 60. I'm wondering what is going on, and then I saw this:



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I had something similar happen, but in the opposite way! The speed limit was 55, but the road was highway 25. The cruise control immediately started to adjust down before I turned it off. Nobody else was around so it wasn't a big deal, but still kind of annoying.

I've also noticed that it gets confused by signs that specify a different speed limit for different classes of vehicles.

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