www.bbc.co.uk/news/business-49090755
Interesting reading - my BMW has speed limit sign recognition which displays on the heads-up display.
However it is regularly wrong as it picks up limits from signs not on our road - eg driving along motorway and it picks up the "50" sign on the sliproad going off.
I live in a housing estate with 20's plenty signs everywhere. Yet somewhere, my car picks up a 40 sign. I never notice it at the time but one of these days I am going to need to drive whilst watching it to see where it is getting the 40 from!
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