Lane Changing During the Driving Test: Common Mistakes to Avoid
Lane changing is one of the skills Melbourne learners should be comfortable performing safely, smoothly and independently before sitting the VicRoads Drive Test.
Both supplied video transcripts emphasise the same core ideas: observe traffic before you need to move, use mirrors and head checks, signal your intention, select a safe gap, maintain appropriate speed and avoid forcing your way into another lane.
These points fit well with current Victorian guidance. VicRoads assesses observation, signal use, gap selection, speed choice and lateral position, and lane changes can be included in both stages of the on-road test. Stage 2 may also include merging in busier traffic.
However, some advice in the transcripts should not be treated as an official Victorian rule—for example, always driving 5 km/h below the limit or assuming another driver slowing down automatically means they have “given you permission” to change lanes.
Here is what Melbourne learners should know.
Why Lane Changes Matter in the VicRoads Driving Test
Changing lanes combines several driving skills at once.
- understand the testing officer's instruction
- remain aware of surrounding traffic
- use your mirrors
- signal correctly
- check your blind spot
- select a safe gap
- control your speed
- maintain your lane position
- move smoothly into the new lane.
Transport Victoria specifically recommends practising on busy and multi-lane roads, using mirrors and head checks, using indicators and choosing safe gaps when merging.
The objective isn't simply to get into the requested lane.
You need to get there safely.
1. Understand What “When Safe, Change Lanes” Means
During your test, you may receive an instruction such as:
“When safe, move into the right lane.”
The important words are when safe.
You don't need to move immediately just because the testing officer has given the instruction.
If another vehicle occupies the lane or the available gap isn't suitable, continue driving safely while monitoring the situation.
Under Victorian road rules, when moving from one marked lane to another, you must give way to vehicles already in the lane you want to enter. You should indicate and change lanes when there is a safe gap.
Instruction → Observe → Signal → Safe gap → Move
Never turn the testing officer's instruction into pressure to make an unsafe manoeuvre.
2. Start Observing Before You're Asked to Change Lanes
This is one of the strongest points from both transcripts.
Don't wait until you hear “change lanes” before becoming aware of the traffic around you.
While driving, regularly check what's happening behind and beside your vehicle.
Transport Victoria specifically recommends looking regularly in your rear and side mirrors to maintain awareness, particularly when changing lanes.
If you've already noticed:
- a vehicle approaching quickly behind
- a motorcycle in the next lane
- a bus beside you
- an empty space developing
- several vehicles travelling close together,
you'll be much better prepared when asked to change lanes.
Good lane changing begins before the lane change itself.
3. Use Your Mirrors Properly
The transcripts describe checking the centre mirror and the relevant side mirror.
That's useful because the mirrors answer different questions.
Your rear-view mirror helps you understand what's happening behind you.
Your side mirror helps you assess traffic beside and behind you in the lane you're considering entering.
But mirrors don't show everything.
Even properly adjusted mirrors leave blind spots, which is why Transport Victoria requires drivers to understand the importance of head checks.
MIRRORS → SIGNAL → GAP → HEAD CHECK → MOVE
But don't treat this as a robotic routine. Continue scanning and respond to what traffic is actually doing.
4. Don't Forget the Head Check
This is one of the most important lane-changing habits.
Before moving laterally into another lane, perform a quick head check over the appropriate shoulder to check the blind spot.
You could otherwise miss:
- a motorcycle
- another car
- a cyclist
- a vehicle travelling alongside you.
Transport Victoria specifically identifies changing lanes as a situation where a head check should be performed.
VicRoads' published Drive Test criteria also define a head check as looking over the appropriate shoulder through the side window to identify road users in blind spots that cannot be seen in the mirrors.
The head check should be brief and purposeful.
Don't stare over your shoulder and lose awareness of what's happening in front of your vehicle.
5. Signalling Does Not Give You Right of Way
Both transcripts correctly emphasise using your indicator, but this needs an important clarification for Victorian learners.
Your indicator communicates:
“I intend to move into that lane.”
“I have indicated, so you must let me in.”
When changing from one marked lane to another, you must give way to vehicles already in the lane you're entering.
Another driver might slow down and create a suitable gap—but don't assume that means it is automatically safe.
check the mirrors → assess the gap → perform the head check → confirm it's safe → move.
Your indicator communicates your intention. It doesn't create a safe gap.
6. Don't Force Your Way Into a Gap
One of the most dangerous mistakes is deciding:
“The testing officer asked me to change lanes, so I have to go now.”
If the first vehicle doesn't leave you a suitable gap, don't force the manoeuvre.
Perhaps the next gap will be appropriate.
The VicRoads criteria are particularly important here. Poor gap selection during a lane change that forces another road user to take evasive action can result in an Immediate Termination Error.
Evasive action can include another driver needing to brake, swerve, stop, slow or accelerate to avoid a potential collision.
“Can I complete this lane change safely without making another road user take evasive action?”
7. Don't Panic If You Can't Change Lanes Immediately
This is another useful point from Transcript 1.
You signal, check the mirrors and notice another vehicle.
You can't move safely yet.
Keep controlling your vehicle, remain in your lane and continue monitoring the situation.
VicRoads' published criteria even provide an example where a learner tries to follow an instruction to change lanes but lacks the opportunity or skill to complete it. The assessment depends on the circumstances; simply not completing an instruction is not automatically the same as deliberately disobeying the testing officer.
Safety remains the priority.
8. Don't Stare at the Side Mirror
Transcript 1 highlights another common learner problem.
A learner sees traffic in the adjacent lane and then keeps staring into the side mirror waiting for a gap.
Meanwhile, the car continues travelling forward.
- drifting within the lane
- poor following distance
- missed braking ahead
- missed traffic lights
- missed pedestrians or cyclists
- reduced awareness of hazards.
Your mirror checks should be brief.
Check the mirror, return your eyes to the road ahead, then check again as necessary.
Never sacrifice forward observation while waiting for a lane-changing opportunity.
9. Maintain Appropriate Speed
Transcript 2 advises learners not to slow excessively during a lane change. That's useful—but its suggestion to routinely drive 5 km/h below the speed limit should not be treated as a Victorian test rule.
There is no VicRoads rule saying you should always drive exactly 5 km/h below the limit.
Instead, VicRoads assesses speed choice, and driving too slowly for the conditions can itself be recorded as a Critical Error.
During a lane change, aim to maintain a speed appropriate to:
- the speed limit
- traffic flow
- available gap
- road conditions
- surrounding vehicles.
Unnecessarily slowing can cause the gap you intended to use to disappear or create problems for traffic behind.
Equally, don't speed up beyond the limit just to force yourself into a gap.
Match your speed appropriately—don't chase the gap.
10. Make the Lane Change Smoothly
Once you've confirmed the gap is safe:
✓ Look ahead
✓ Maintain control
✓ Move progressively across the lane line
✓ Position the vehicle correctly in the new lane
✓ Avoid sudden steering movements
A lane change should look controlled rather than rushed.
Don't swing sharply into the new lane.
Don't drift slowly across two lanes.
Don't allow your vehicle to wander back toward the original lane.
VicRoads assesses lateral position and vehicle control, so the movement itself matters as well as the observation beforehand.
11. Don't Change Two Lanes at Once
If you need to move across multiple lanes, treat each lane change as a separate decision.
After entering the first lane:
Stabilise → observe again → reassess traffic → signal/check as required → change again when safe.
Traffic conditions can change quickly.
A gap that was safe when you started the first lane change may not still be safe for another movement.
Never assume that checking once gives you clearance across several lanes.
12. Be Especially Careful Around Motorcycles and Cyclists
Small road users can disappear into blind spots very easily.
A motorcycle may approach quickly in the adjacent lane, while a cyclist may be beside you where they're difficult to see in the mirrors.
This is one reason head checks are so important.
Victoria also requires drivers to give way to bicycle riders when crossing or turning across a bicycle lane in relevant situations.
Before moving laterally, ask:
“Is there anything beside me that my mirrors aren't showing?”
Then perform the appropriate head check.
13. Don't Let Other Drivers Pressure You
Melbourne traffic can be busy.
You may signal and another driver may:
- accelerate
- remain beside you
- slow down
- leave a gap
- close a gap.
Don't take another driver's behaviour personally.
And don't assume that because they slowed slightly, you're automatically clear to move.
Continue observing until you are satisfied the gap is safe.
This is an important part of becoming an independent driver.
14. Know What Happens If You Miss the Observation
A missed observation isn't something to dismiss as a “small technical mistake.”
VicRoads' published criteria state that when changing lanes, if an applicant fails to check the mirrors and fails to perform a head check before crossing the lane boundary, a Critical Error – Fail to Look can be recorded when no evasive action is required.
The consequences become more serious if your manoeuvre affects another road user.
For example, the criteria describe a situation where a learner checks the mirrors and signals but changes lanes without a head check, forcing another vehicle to brake or swerve. That creates immediate danger and results in an Immediate Termination Error in the published example.
This is why observation should become a habit, not something you try to remember only because you're sitting a test.
15. Don't Forget to Signal
Failing to signal is another serious mistake.
Your indicator tells other road users what you're intending to do.
VicRoads lists signal use as one of the behaviours assessed during the Drive Test.
And if you fail to signal during a lane change and another road user must take evasive action, the published criteria provide for an Immediate Termination Error for failing to give way.
Signal clearly and at an appropriate time—but remember:
Signal ≠ permission to move.
Observation and safe gap selection still come next.
16. Don't Rely on a Fixed “Three-Second Indicator” Rule
Transcript 1 recommends giving a minimum three-second signal before changing lanes.
For Melbourne learners, it's better not to turn this into a universal VicRoads three-second lane-change rule.
The important requirement is to signal your intention appropriately and give other road users useful warning before changing lanes.
Signal → communicate → observe → confirm safe gap → head check → move safely.
If the gap isn't safe after three seconds, you still don't move.
17. Read Lane Markings Before You Move
Observation isn't only about vehicles.
- broken lane lines
- continuous lines
- turning lanes
- arrows
- bicycle lanes
- bus lanes
- tram-related markings
- intersection markings.
Don't change lanes simply because there's empty space beside you.
Make sure you're actually permitted to cross the lane marking.
Victoria has specific rules governing unbroken lane lines and other road markings.
18. Lane Changing and Merging Are Related—but Not Identical
Learners sometimes use “lane changing” and “merging” as though they always mean exactly the same thing.
The applicable give-way rule depends on the road markings.
When moving across a marked lane line, you must give way to traffic already in the lane you're entering.
With a zip merge where there are no marked lanes, you give way to a vehicle that has any part of its vehicle ahead of yours.
Understanding this distinction is important for everyday Melbourne driving—not just your test.
19. Practise Lane Changes at Different Speeds and Traffic Levels
Both transcripts emphasise practice, and that's important.
Don't practise lane changing only on quiet roads where the adjacent lane is always empty.
Before your test, gain supervised experience with:
✓ Quiet multi-lane roads
✓ Moderate traffic
✓ Busier arterial roads
✓ Different speed zones
✓ Vehicles approaching from behind
✓ Motorcycles and cyclists
✓ Merging traffic
✓ Changing traffic conditions
Transport Victoria specifically recommends practising safe, independent driving on busy roads, multi-lane roads and across a range of traffic conditions.
The goal is to reach the point where the process feels natural rather than rushed.
Common Lane-Changing Mistakes to Avoid
Before your VicRoads test, work on eliminating these habits:
❌ Changing lanes immediately because the testing officer asks
❌ Assuming your indicator gives you right of way
❌ Forgetting the head check
❌ Checking mirrors but not actually assessing what you see
❌ Staring at the side mirror and losing forward awareness
❌ Moving into a gap that makes another driver brake or swerve
❌ Slowing unnecessarily while waiting for a gap
❌ Speeding up excessively to force yourself into a gap
❌ Drifting while checking mirrors or blind spots
❌ Making an abrupt steering movement
❌ Crossing a lane marking without checking whether it is permitted
❌ Assuming a driver who slows has automatically given you permission
❌ Panicking because the first available gap isn't safe
A Simple Lane-Change Routine
A useful way to remember the process is:
AWARE → MIRRORS → SIGNAL → GAP → HEAD CHECK → MOVE → STABILISE
AWARE – Know what's happening around you before the instruction.
MIRRORS – Check behind and in the direction you intend to move.
SIGNAL – Communicate your intention.
GAP – Confirm there is a genuinely safe opportunity.
HEAD CHECK – Check the blind spot immediately before moving.
MOVE – Change lanes smoothly while maintaining appropriate control and speed.
STABILISE – Establish your position in the new lane and continue scanning.
Don't use the routine mechanically. What you see must determine what you do next.
VicRoads Lane-Changing Readiness Checklist
Before test day, you should be comfortable:
✅ Monitoring surrounding traffic before being asked to change lanes
✅ Using rear and side mirrors effectively
✅ Performing quick, purposeful head checks
✅ Signalling appropriately
✅ Selecting safe gaps independently
✅ Giving way to vehicles already in the lane you're entering
✅ Maintaining an appropriate speed
✅ Keeping the vehicle stable while checking mirrors
✅ Moving smoothly into the new lane
✅ Recognising cyclists and motorcycles in blind spots
✅ Understanding lane markings
✅ Waiting calmly when a gap isn't safe
✅ Making your own safety decision rather than relying on another driver's behaviour
Final Tip: The Testing Officer Gives the Direction—You Make the Safety Decision
This is perhaps the most important lesson from both transcripts.
“When safe, move into the right lane.”
the testing officer has told you what they want you to do.
It's still your responsibility to decide when it is safe to do it.
Observe early. Use your mirrors. Signal your intention. Check the gap. Perform the appropriate head check. Maintain control. Then move smoothly when you're satisfied it is safe.
That's what lane-changing practice should develop: not simply following a memorised sequence, but demonstrating that you can observe, judge and act safely as an independent driver.
Prepare for Your VicRoads Drive Test with DOS Driving School
If lane changes, merging, head checks or safe gap selection are causing you difficulty, targeted practice before test day can help identify and correct these habits.
DOS Driving School – Helping Melbourne learners become safe, confident and independent drivers.