The +/-10% ADR hasn't existed for some time now, so it is a mute excuse. Current cars cannot show a speed lower than that of the road speed (i.e. cant show 100 and be doing 110, but can show 100 and be doing 91).

Most states in the past usually ignore the initial 10%, but Perth likes to get its $75. I still think you should get 1 or 2 '10%' warnings a year, then fine away.

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[COLOR="Gray"]550Nm off a 2L... Just wish it was in the dak dak...[/COLOR]