Safe Driving Guide · South Australia

More safe driving (part 2 of 8): South Australia safe driving

Key points on more safe driving 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.

The sign shows 100 km/h, but the road is wet and visibility is poor. What should you do?

Answer: Slow to a speed that suits the conditions

The posted limit is the maximum in good conditions. You must slow down when rain, fog or a poor surface make 100 km/h unsafe.

Practice question 352 · official source

Which drugs must an SA learner not have present in their blood or saliva when driving?

Answer: THC, methylamphetamine, MDMA and cocaine

A learner's permit is conditional on no THC (cannabis), methylamphetamine, MDMA or cocaine being present in blood or oral saliva.

Practice question 353 · official source

What is the danger of combining alcohol with drugs or medicines before driving?

Answer: The effects are unpredictable and can be much worse

Mixing alcohol with other drugs or medicines is even more dangerous than either alone, and the effects are hard to predict.

Practice question 354 · official source

What breaks does the SA Driver's Handbook suggest planning on a long trip?

Answer: A 15-20 minute break about every two hours

Plan regular 15-20 minute breaks every two hours, even if you don't feel tired. The only cure for fatigue is sleep.

Practice question 370 · official source

Which headlight setting should you use in thick fog?

Answer: Low beam

High beam reflects off fog and makes it harder to see. Use low beam (and fog lights if fitted) and slow down.

Practice question 371 · official source

Why should you leave a bigger gap on a freeway?

Answer: Higher speeds mean it takes longer to react and stop

Stopping distance rises quickly with speed, so you need more time and space at freeway speeds.

Practice question 378 · official source

How should you leave a freeway?

Answer: Move to the exit lane early, signal, and slow down on the ramp

Plan early. Move to the exit lane in plenty of time, signal, and reduce speed on the exit ramp.

Practice question 379 · official source

When joining a freeway from an entry ramp, what should you do?

Answer: Match the traffic speed and merge into a safe gap

Adjust your speed to the traffic flow and merge into a suitable gap, giving way to vehicles already in the lane.

Practice question 380 · official source

An oncoming driver's high beam is dazzling you. What is the best response?

Answer: Look toward the left edge of the road and slow down

Avoid looking at the lights. Look to the left side of the road, keep to the left of your lane and slow or stop until your eyes recover.

Practice question 381 · official source

Compared with bitumen, how much braking distance should you allow on an SA gravel road?

Answer: About double

A gravel road has about half the tyre grip of bitumen, so you need roughly double the distance to brake to a stop.

Practice question 382 · official source