You don't have to prove fault on the day of the crash, but what you notice then can matter later. Lanes, signals, where the cars stopped and what was said all feed into the insurer's view. For people in Grasmere, we explain how fault is weighed in a NSW claim and help you decide whether the question needs a lawyer. Often it doesn't. When it does, we'll connect you with one.
Macarthur & Wollondilly · Car accident lawyer help
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Driving in and around Grasmere: fault in local crashes
On Appin Road, Picton Road or Remembrance Driveway, a crash on a quieter stretch may leave you as the only witness. Your photos and a prompt police report may be the main record of how it happened. Fault is decided on the evidence as a whole. Skid marks, damage patterns and the final positions of the cars can say more than either driver's account. If you were taken to Campbelltown Hospital, the ambulance and emergency records often note the type of impact, such as being hit from behind or side-on. That early description can support your version of how the crash happened.
With Airport & South Line (Glenfield, Ingleburn, Minto, Campbelltown, Macarthur), Southern Highlands Line (Picton, Tahmoor, Bargo) and Leppington station (Inner West & Leppington and Cumberland lines) nearby, buses and other commercial vehicles are a regular part of local traffic. Many carry cameras, so if one was involved in your crash, ask early whether the footage was kept.
- Region
- Macarthur & Wollondilly
- Postcode
- 2570
- Public hospital in the region
- Campbelltown Hospital
- Transport in the region
- Airport & South Line (Glenfield, Ingleburn, Minto, Campbelltown, Macarthur) · Southern Highlands Line (Picton, Tahmoor, Bargo)
At the scene: what to notice for fault
Once everyone is safe and anyone hurt has help, your memory of the crash is at its sharpest. Note which lane each car was in, what the lights or signs showed, roughly how fast you were going and where the vehicles came to rest. Write down anything the other driver said about how it happened. These details can decide fault later, and they fade within days.
- What the traffic lights or give-way signs showed
- Skid marks, debris and the damage to each vehicle
- Names and phone numbers of anyone who saw it
- Exactly what the other driver said, written down that day
Read next:What to do after a car accident in NSW
Dashcam, witnesses and the police record
An independent witness, someone with no link to either driver, can carry real weight. Get their name and phone number at the scene if you can. If you can't, the police record may have their details. Photos of the final positions of the vehicles also matter, since damage patterns often show the angle and order of impact.
Some evidence only exists for a short time: skid marks, debris, temporary signs and camera footage. Other evidence can be gathered later, such as the police record and witness statements. If fault is disputed, a lawyer can ask for footage and records to be kept and, where the claim justifies it, obtain an expert opinion on how the crash happened.
- Independent witnesses' names and numbers
- Your own written account from the first days
- Photos of signals, signs and lane markings
- Any messages the other driver sent after the crash
Save footage early
Shops, buses and homes with cameras often keep footage only briefly. Ask in writing as soon as you can, giving the date, time and exact spot.
Where fault leaves your claim: four common positions
Fault rarely decides whether you can claim at all. Most injured people get statutory benefits whoever caused the crash. What fault changes is how long those benefits can run and whether a lump sum is possible. These four positions cover most car accidents.
Situation 1
You were not at fault
Your claim goes to the CTP insurer of the vehicle that caused the crash. You can receive statutory benefits, and if your injury is more than a threshold injury, a common law damages claim may also be open to you.
Situation 2
You were partly at fault
Sharing some of the blame generally doesn't stop a claim. It can reduce weekly payments after the first 52 weeks and cut down any damages in proportion. How much is often argued, which is where advice helps.
Situation 3
You were wholly or mostly at fault
'Mostly at fault' means contributory negligence greater than 61%. Weekly payments and treatment and care are then generally limited to the first 52 weeks, with no common law damages. Children 16 and under keep treatment and care for as long as they need it.
Situation 4
No one was clearly at fault
Some crashes happen without any driver being at fault, for example after a sudden medical episode or an unforeseeable mechanical failure. NSW has 'blameless accident' rules that may let an injured person claim in some of these cases. They are technical, so get advice.
General information, not legal advice. Fault and contributory negligence are decided on the evidence. Time limits apply.

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Why fault matters more for a lump sum than for benefits
Think of the claim in two parts. Statutory benefits come first and, for most people, don't depend on who caused the crash. Common law damages come later and depend heavily on it: another driver must have been at fault, you must not have been mostly at fault, and the injury must be more than a threshold injury. That is why fault is worth attention early.
Rules change
Your accident date decides which rules apply. Accidents before 1 December 2017 fall under the older 1999 Act, and some limits changed again on 1 April 2023.
Read next:At fault vs not at fault
Chain crashes and split blame
Chain collisions are where fault gets complicated. The driver who started it may carry most of the blame, but a driver behind who was following too closely can share it. Each vehicle has its own Green Slip insurer. Your task is to record every vehicle involved and the order of the impacts; the insurers' task is to sort out which of them responds.
The police event number is often the thread that ties a multi-vehicle crash together. It links the drivers, the vehicles and any statements taken at the scene. Keep it with your registration notes. CTP Assist, a free SIRA service on 1300 656 919, can help identify an insurer when you're unsure, though it won't decide fault for you.
Read next:Multi-vehicle accidents
Contributory negligence: when you share the blame
Contributory negligence means you are found to have contributed to the crash or to your own injuries. Common examples are not wearing a seatbelt, speeding, or travelling with a driver you knew had been drinking. It doesn't usually stop a claim. It can reduce weekly payments after 52 weeks and reduce damages, and above 61% you are treated as mostly at fault.
Check the percentage
If the insurer puts your share of fault above 61%, damages are off the table and benefits are generally limited to 52 weeks. Most insurer decisions can be internally reviewed, generally within 28 days of receiving the decision.
Read next:Can I claim if I was partly at fault?
If you were the passenger
Passengers usually have the simplest fault position of anyone in a crash. You weren't in control, so the question is only which driver caused it, and that decides which insurer deals with you. Where both drivers share the blame, you may still be blameless yourself. That matters later, because damages depend partly on your own share of fault.
Children in the car are in a special position. Whoever caused the crash, a child aged 16 or under at the time can keep receiving treatment and care for as long as they need it. Usually a parent or guardian lodges the claim for them. Fault can still matter for other entitlements, so keep the police record with the child's medical records.
Read next:Passenger injury claims
Fault disputes: when a lawyer is worth a call
If the other driver says you caused the crash, or the insurer won't accept that the other driver did, the evidence decides it. This is the point where an independent lawyer is often worth talking to. They can test the insurer's reasons, gather what's missing and advise whether to ask for a review. Insurers make decisions under the scheme rules, and those decisions can be challenged.
Read next:At-fault self-check
A car accident lawyer for fault: when it helps
A lawyer isn't a box to tick after every crash. When fault is clear and accepted, many people run their own claim. When it's argued, split or pinned on you, advice is often worth having.
Often worth talking to a lawyer
- A fault decision has been made and the review deadline is running
- Your injury may be more than a threshold injury and fault will decide damages
- The other driver changed their story after the crash
- No driver seems to be at fault and you've been told you can't claim
You may not need one
- Fault isn't argued and your benefits are being paid
- It was a clear rear-end collision and liability is accepted
- You mainly need a doctor to record your injuries
Fault may be the legal question, but your injuries are the heart of the claim. We can point you to doctors and allied health who work with CTP claims, including the Certificate of Fitness the insurer needs.
Not quite your situation?
- If you're not yet sure whether this is an injury claim, a damage claim or something else, the car accident claim page helps you tell them apart. Car accident claim in Grasmere
- If you're engaging a solicitor and want to know what happens between now and settlement, the car accident solicitor page walks through it. Car accident solicitor in Grasmere
- If you were riding, walking or cycling, or travelling by truck, bus or rideshare when you were hurt, the motor vehicle accident page fits better. Motor vehicle accident lawyer in Grasmere
Frequently asked questions
'Mostly at fault' means your contributory negligence is found to be greater than 61%. If you were wholly or mostly at fault, weekly payments and treatment and care are generally limited to the first 52 weeks, and you can't claim common law damages. For accidents from 1 April 2023, most people in that position still receive those first 52 weeks of statutory benefits. Because so much turns on the line, a finding close to it is worth having reviewed.
By looking at the order of events and what each driver did. In a chain crash, the driver who started it often carries most of the blame, but others can share it, for example by following too closely. Each vehicle has its own CTP insurer, and the insurers may split responsibility between them. Your part is to record every registration, the order of impacts and the police event number, and to lodge on time.
The insurer decides on the evidence, not on which account sounds more confident. It will look at the police record, the damage to each vehicle, where the cars stopped, any footage and any independent witnesses. While that happens, most people can still receive statutory benefits. If the insurer accepts the other driver's version and you think the evidence points the other way, the decision can generally be reviewed. That is a good time to get advice.
Usually less than people fear. Being partly to blame is called contributory negligence. It doesn't stop you claiming statutory benefits. It can reduce weekly payments after 52 weeks, and it reduces any damages by your share. It only removes damages altogether if your share is found to be greater than 61%. Ask how the insurer reached its percentage, and get advice if it seems high.
Generally, yes. You claim against the CTP insurer of the vehicle at fault, which here is the Green Slip insurer of your friend's car. The claim is against the insurer, not against your friend personally. Passengers are rarely found at fault, though contributory negligence can still be raised in limited cases, for example if you knew the driver had been drinking. Your friend may be asked for their account, which is normal.
If your claim is against that vehicle's CTP insurer, you'll deal with them to run it, so a call is normal. Stick to facts, don't guess about speeds or injuries you're unsure of, and keep a note of the call. If you're asked for a detailed recorded statement about how the crash happened, you can ask for time to get advice first, especially if they're questioning who caused it.
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CTP Lawyer is not a law firm. This page is general information, not legal advice; the independent lawyer you speak with can advise on your own situation.