Queensland Consolidated Regulations(1) If information on or with a traffic sign applying to a length of road indicates that a vehicle of a particular kind must drive in a particular marked lane, a driver driving a vehicle of that kind on the length of road must drive in the indicated lane, unless the driver is—
(a) avoiding an obstruction; or
(b) obeying a traffic control device applying to the indicated lane; or
(c) permitted to drive in the indicated lane and also another marked lane under this regulation.
Maximum penalty—20 penalty units.
(2) A traffic sign mentioned in this section that is on a road applies to the length of road beginning at the sign and ending at the nearest of the following—
(a) a traffic sign or road marking on the road that indicates that the first traffic sign no longer applies;
(b) the next intersection on the road;
(c) if the road ends at a T-intersection or dead end—the end of the road.
Examples of a traffic sign mentioned in the section and a traffic sign indicating that the first traffic sign no longer applies—
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Trucks use left lane sign | End trucks use left lane sign |