Speed limits speedometers vs GPS speed

Speed limits speedometers vs GPS speed

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Discussion

TB404

Original Poster:

119 posts

179 months

Tuesday 21st March 2023
quotequote all
Hello people,
I want to confirm (or otherwise) my understanding of the subject.

So with all the bloody cameras everywhere I drive with Waze all the tie which is fine. I notice that on several different cars Waze reports about 10% lower GPS speed than the car's speedometer, I understand that's intentional. is this correct? the GPS speed shown in Waze is the actual speed that a speed camera would use to clock me?

On top of that we have the 10%+1 rule for speeding, which means one can drive 23mph in a 20mph zone )for example) and you won't get a ticket until you got to 24mph 'real speed' - i.e. GPS.

is this correct? am I missing something?

Thank you,