DKTKey points on merging for the South Australia learner test. Each answer is checked against the official South Australia handbook or road rules; use the practice-question links to test yourself.
Two lanes become one with no road markings. A car beside you has its front ahead of yours. Who must give way?
Answer: You give way to the car with any part of it ahead of yours
In merging lines of traffic, a driver must give way to a vehicle in another line if any part of that vehicle is ahead of their own. This is the zip merge.
Practice question 62 · official source
Your lane is ending and you must cross a broken line into the next lane. Who must give way?
Answer: You must give way to vehicles already in the lane you are moving into
A driver moving from one marked lane to another, whether or not the lane is ending, must give way to vehicles travelling in the lane they are moving into.
Practice question 63 · official source
You are joining a freeway from an on-ramp whose lane ends. Which statement is correct?
Answer: You give way to vehicles already in the freeway lane you enter
When the lane you are in ends and you move into another lane, you must give way to vehicles already in that lane.
Practice question 64 · official source
Two lines of traffic are merging into one. Which driver must give way?
Answer: The driver whose vehicle is behind the other one
When lanes merge into one, you must give way to a vehicle in the other line if any part of that vehicle is ahead of yours (zip merge).
Practice question 65 · official source
Two lanes are merging into one. Vehicle A is slightly ahead of vehicle B. Which vehicle must give way?
Answer: Vehicle B
The vehicle behind must give way to a vehicle in the other line if any part of that vehicle is ahead (zip merge).