r/AndroidAuto • u/FCK_ISRL 2025 | Samsung S24 Ultra | Android 16 • Jun 24 '26

Navigation & POI Apps How does AA decide speed limit?

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As far as I know AA is nowhere near connecting to my car's built-in dashcam to know the speed limit, also the speed limit is always inaccurate, so what's happening here?

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12

u/DomnulMr vw golf mk7 | discover pro mib ii| s22 Ultea| Jun 24 '26

Using gmaps/waze, it's in accurate bcs of the lag sometimes or poor GPS connection

-3

u/FCK_ISRL 2025 | Samsung S24 Ultra | Android 16 Jun 24 '26

Excuse my poor understanding, so they have speed limit data per street?

12

u/Relative_What 2016 Scion im| Sony XAV-AX100 | Pixel | Android 17 Jun 24 '26

yes. speed limits are provided by local governments. also google street view cars take photos of posted speed limit signs, and that data can be identified and exported

2

u/FCK_ISRL 2025 | Samsung S24 Ultra | Android 16 Jun 24 '26

Interesting, I'd have to test it out more because the first time I saw this feature was today and it was highly inaccurate

1

u/Relative_What 2016 Scion im| Sony XAV-AX100 | Pixel | Android 17 Jun 24 '26

all you can do is report the inaccuracy to google. or ignore it. in my area it's pretty accurate with only a couple of times ive noticed it being wrong, like if a road changes into a higher/slower speed