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 Mount Colah, 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.
Upper North Shore & Hornsby · Car accident lawyer help
Car crash lawyer help with fault, for people in Mount Colah
Fault rarely stops a claim, but it can shorten benefits and close off a lump sum. We help you see where you stand.
Postcode: 2079

- Free claim check, no obligation
- By phone & online, no office to visit
- Helping people in Mount Colah & Mount Kuring-gai
Local context for a fault question in Mount Colah
On winding roads such as Galston Road, Bobbin Head Road and the Old Pacific Highway north of Berowra, a crash may have no witnesses. Photos of the road and the car positions help settle fault. Public hospitals serving the area include Hornsby Ku-ring-gai Hospital. Ambulance and emergency notes usually record how the crash was described on the day, which can matter if the other driver's account changes later. With Mount Colah station 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
- Upper North Shore & Hornsby
- Postcode
- 2079
- Main roads
- Pacific Highway · Excelsior Road
- Nearest public hospital
- Hornsby Ku-ring-gai Hospital
- Getting around
- Mount Colah station
At the scene: what to notice for fault
You don't need to decide who caused the crash at the scene, and it's wiser not to argue about it there. Swap details, stay calm and avoid guessing about speeds or blame. What helps most later is a clear record: photos of the vehicles' positions, the road layout and any witness who saw it happen, with their name and number.
- What the traffic lights or give-way signs showed
- Names and phone numbers of anyone who saw it
- Exactly what the other driver said, written down that day
- Weather, light and the road surface at the time
Read next:What to do after a car accident in NSW
If you were the passenger
A passenger isn't driving, so a passenger is rarely found at fault for the crash itself. The claim goes to the CTP insurer of whichever vehicle was at fault. If your own driver caused it, that's the Green Slip of the car you were in, even when the driver is a friend or family member. The insurer responds to the claim, not the driver personally.
Many passengers hesitate to claim because the driver was someone close to them. It helps to know the claim is made against the CTP insurer, which exists for exactly this situation. The driver may be asked for their account, and any fault finding affects their own claim, not your right to make yours. Talk it through if you're worried about how it will land.
Read next:Passenger injury claims
Four ways fault can play out after a car accident
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
Partial fault is common and usually a question of degree. A finding of contributory negligence can lower weekly payments beyond 52 weeks and reduce damages, so the percentage the insurer picks is worth checking.
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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Free check on a fault question
We'll look at the evidence of fault and your deadlines, and connect you with an independent lawyer only if your claim needs one.

How fault is shown after a car crash
Fault is decided on evidence, not on who sounds more certain. The usual pieces are the police event number and any police record, photos of where the cars stopped, the damage to each vehicle, dashcam footage and independent witnesses. No single piece is always decisive. Together they usually show what happened, even when the drivers tell different stories.
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.
- Dashcam footage, saved as the original file
- Photos of both vehicles' damage and final positions
- Photos of signals, signs and lane markings
- Any messages the other driver sent after the crash
Save footage early
Many dashcams loop and record over older files. Copy the crash footage to another device straight away, and keep the original file untouched.
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
Several vehicles, several insurers: working out fault
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.
Passengers and drivers caught in the middle of a chain crash often feel stuck between insurers. Your claim generally shouldn't stall while the insurers sort out their shares. Keep a note of every call, who you spoke to and what they said. If no insurer will take responsibility, that is a good moment to ask for advice.
Read next:Multi-vehicle accidents
Seatbelts, speed and your share of fault
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
A contributory negligence finding is usually expressed as a percentage. A few points either side of the 'mostly at fault' line can decide whether damages are possible at all, so ask how the figure was worked out.
Read next:Can I claim if I was partly at fault?
The other driver blames you: what now?
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
Fault after a crash: when to call a lawyer, and when you may not need one
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
- The other driver's insurer says you caused the crash
- You were a passenger and both drivers blame each other
- Your injury may be more than a threshold injury and fault will decide damages
- No driver seems to be at fault and you've been told you can't claim
You may not need one
- You only need help identifying the at-fault vehicle's insurer
- The other driver admitted fault and the insurer accepted it
- You mainly need a doctor to record your injuries
If what you need now is treatment, start there. Ask us about doctors and allied health, such as GPs, physiotherapists and psychologists, who understand CTP claims and the Certificate of Fitness.
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 Mount Colah
- 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 Mount Colah
- 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 Mount Colah
Frequently asked questions
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.
Not by itself. An apology can be mentioned, but insurers decide fault on the evidence as a whole: police records, damage patterns, photos, footage and witnesses. People apologise for many reasons, and drivers sometimes change their account later. Write down exactly what was said and when, then collect the harder evidence. If fault is disputed, those records will count for more than the apology.
Not automatically, although it can help. A traffic fine or a criminal charge is a separate process from your claim, and the insurer generally looks at all the evidence rather than relying on it alone. A conviction can be strong support for your account. A charge that is dropped, or no charge at all, doesn't mean the other driver wasn't at fault. Keep a copy of any police paperwork you receive.
Keep the original file safe first. Many dashcams record over older footage, so copy it to another device or cloud storage straight away, without trimming or editing it. Tell the insurer you have footage, and give it to police if they're investigating. If fault is disputed, the footage can be one of the strongest pieces of evidence you have, because it shows the crash rather than anyone's memory of it.
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.
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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.