South Australian Current Regulations

AUSTRALIAN ROAD RULES - REG 146

146—Driving within a single marked lane or line of traffic

        (1)         A driver on a multi-lane road must drive so the driver's vehicle is completely in a marked lane, unless the driver is—

            (a)         entering a part of the road of one kind from a part of the road of another kind (for example, moving to or from a service road or a shoulder of the road); or

            (b)         entering or leaving the road; or

            (c)         moving from one marked lane to another marked lane; or

            (d)         avoiding an obstruction; or

            (e)         obeying a traffic control device applying to the marked lane; or

            (ea)         lane filtering in accordance with rule 151A; or

Note—

"Lane filtering" is defined in rule 151A.

            (f)         permitted to drive in more than one marked lane under another provision of the Australian Road Rules or under another law of this jurisdiction.

Offence provision.

SA NOTE—

For South Australia, see regulation 11B of the Road Traffic (Road Rules—Ancillary and Miscellaneous Provisions) Regulations 2014 .

Note 1—

"Driver's vehicle", "marked lane", "multi-lane road", "obstruction", "service road" and "traffic control device" are defined in the dictionary and "shoulder" is defined in rule 12.

Note 2—

A driver is generally not permitted to move from one marked lane to another marked lane across a continuous line separating the lanes—see rule 147.

Note 3—

Rule 148 deals with giving way when moving from one marked lane to another marked lane.

Note 4—

An overhead lane control device may require a driver to leave a marked lane—see rule 152.

Note 5—

Drivers of certain long vehicles are permitted to use 2 marked lanes when turning at an intersection—see rule 28 (left turns) and rule 32 (right turns).

        (2)         A driver on a road with 2 or more lines of traffic travelling in the same direction as the driver, but without marked lanes, must drive so the driver's vehicle is completely in a single line of traffic unless—

            (a)         it is not practicable to drive completely in a single line of traffic; or

            (b)         the driver is entering a part of the road of one kind from a part of the road of another kind (for example, moving to or from a service road or a shoulder of the road); or

            (c)         the driver is entering or leaving the road; or

            (d)         the driver is moving from one line of traffic to another line of traffic; or

            (e)         the driver is avoiding an obstruction; or

            (f)         the driver is lane filtering in accordance with rule 151A.

Note—

"Lane filtering" is defined in rule 151A.

Offence provision.

SA NOTE—

For South Australia, see regulation 11B of the Road Traffic (Road Rules—Ancillary and Miscellaneous Provisions) Regulations 2014 .

Note—

Rule 148 deals with giving way when moving from one line of traffic to another line of traffic.