Fault When A Car Door Hits You
A car door opened into your path and you are hurt and confused about who is to blame.
Opening a car door into the path of a passing rider is usually treated as the fault of whoever opened it. A driver or passenger is expected to look before doing so. It rarely matters whether it was the driver’s door or a rear passenger door. A rider who was riding unusually close to a line of parked cars can still share some of the responsibility.
Why does the door-opener carry the duty?
Whoever opens a door onto traffic is expected to check the mirror and the road behind first. This applies to a driver or a passenger. Failing to check is treated like any other failure to look before acting.
Riding too close to parked cars, or filtering unsafely, can reduce your own share of compensation. It does not remove the door-opener’s responsibility.
The evidence that settles a dooring dispute
Your distance from the parked cars, shown by dashcam or a witness, matters a great deal. So does whether the car was legally parked or stopped at that spot. Dashcam footage from a following vehicle can catch the moment the door opened.
The final position of you and your motorcycle relative to the door helps too, as does anyone who saw the door open, not just the fall.
Even without direct contact
You do not need to have physically struck the door for this to count. If it forced you to swerve, brake suddenly, or lose control, the door can still be treated as the cause. That depends on whether the evidence supports that sequence of events.
Get the scene recorded quickly
Photograph the door’s position relative to your motorcycle before anything is moved. Lodge your police report within 24 hours where possible, since parked vehicles and traffic move on quickly.[1]
What if nobody saw the door open?
With no witness and no footage, the dispute can rest on your account against the driver’s, which takes longer to resolve. Contributory negligence explained covers what happens if your own riding is questioned.
What to do next
Get the names of anyone nearby, even if they only saw you fall. Who is at fault in a crash sets out the wider rules once the facts are gathered.
When the driver denies opening the door, an independent lawyer can take your claim on. Send the accident date, where it happened, whether anyone was injured (yes/no) and the police report status.
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Common questions
Is it always the car occupant's fault for opening the door?
In most cases, yes, since whoever opens a door into traffic is expected to check first. A rider who was travelling unusually close to parked cars, or at an unsafe speed for the road, can still share some responsibility.
Does it matter if I was a passenger, not the driver, who opened the door?
The duty to check before opening a door applies to whoever actually opens it, driver or passenger. Responsibility generally follows the person who opened the door, not the vehicle's registered owner automatically.
I fell without directly hitting the door. Does that still count?
It can. If the sudden obstruction made you swerve, brake hard, or lose control, the door can still be treated as the cause even without direct contact, depending on what the evidence shows.
What if I was not wearing a proper helmet at the time?
That can reduce your own compensation, since helmet use is factored into how contributory negligence is assessed. It does not usually change who caused the crash in the first place.
Sources
- Road Transport Act 1987, s.52 (Ministry of Transport) (accessed 2026-09-22)
Need a lawyer to handle your injury claim?
For people seeking legal representation. For general information, please use our guides and tools.