DKTKey points on traffic lights 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.
You are facing the traffic lights in the picture, a red light with a green arrow. What do they mean?
Answer: You may go only in the direction of the green arrow
A green arrow means you can turn in that direction. The red light means you must stop if you are not turning in the arrow's direction.
Practice question 284 · official source
A red light and a green left arrow are showing together. What may you do?
Answer: Turn left only, and not go straight ahead
A green arrow lets you turn in the direction it points, even with a red light showing. You must not go any other way.
Practice question 285 · official source
A steady green light with no arrow is showing. What may you do?
Answer: Go ahead or turn if it is safe, giving way as required
Green means you may go if it is safe. When turning you must still give way to pedestrians and, if turning right, to oncoming traffic.
Practice question 286 · official source
It is 3 am with no other traffic. You want to turn right but the right-turn arrow is red. What must you do?
Answer: Stay stopped until the red arrow goes out or turns green
A red arrow means you must not turn in that direction. You must obey traffic lights even when the road is empty.
Practice question 287 · official source
You want to turn right. The lights show a green circle and a red right arrow. What must you do?
Answer: Wait at the stop line until the right arrow turns green
A red arrow means you must not turn that way. You may go straight or turn left, but wait behind the stop line to turn right.
Practice question 288 · official source
The light is red and a 'left turn on red permitted after stopping' sign is displayed. You want to turn left. What must you do?
Answer: Stop first, then turn left only when it is safe and you have given way
With this sign you may turn left on a red light, but only after stopping, and you must give way to pedestrians and traffic as required.