144—Keeping a safe distance when overtaking
A driver overtaking a vehicle—
pass the vehicle at a sufficient distance to avoid a collision with the
vehicle or obstructing the path of the vehicle; and
not return to the marked lane or line of traffic where the vehicle is
travelling until the driver is a sufficient distance past the vehicle to avoid
a collision with the vehicle or obstructing the path of the vehicle.
For South Australia, in addition to this rule, see regulation 11A of the Road
Traffic (Road Rules—Ancillary and Miscellaneous Provisions)
Regulations 2014 .
"Marked lane" and "overtake" are defined in the dictionary.