Bristol City Council has cancelled a parking ticket issued to a driver who pulled over into a loading bay to help an injured cyclist.
Janet Young gave first aid to a cyclist in Church Road, St George, Bristol, who had clipped a pavement and fallen off his bike.
Mrs Young, a receptionist from Bristol, said she would do the same again despite having received a parking ticket.
"I think anyone would, of course we would, its just [instinctive] to help someone in need," she told the BBC.
Mrs Young's car was caught on camera by a parking enforcement vehicle, "so they would have seen the accident", she said.
The parking ticket was overturned after Mrs Young lodged an appeal with the council.
A council spkeswoman said its parking wardens "have to follow the letter of the law" when issuing penalties, but added: "Appeals are considered sympathetically in certain circumstances, providing there is evidence."
With clamps no longer an option now in England and Wales it was inevitable that the number of parking charge notices (private parking tickets) would increase, the AA has said.
However, the car insurance firm criticised the "unregulated" private parking enforcement industry, which they blamed for the frequent use of penalties.
We are pleased that after decades of clamper extortion their practices have largely been consigned to history.
However, private parking enforcement remains unregulated and is a free-for-all when even firms signed up to a code of practice breach their own rules. It seems many of the notorious clampers have moved their sharp practices to private parking enforcement.
According to the AA parking penalties are becoming a problem and these two cases highlight why:
A diabetic who slept slightly beyond the two-hour limit at a deserted motorway service area in the early hours after having concerns about his blood sugar level.
Despite obtaining a doctor's certificate, his appeal was rejected by the parking firm, which also said he could pay the £60 by monthly instalments although he said this would cause hardship.
Another AA member in London was threatened with a £160 parking ticket which breached the £100 maximum recommended by the British Parking Association's code, to which the enforcement firm was signed up.
Banning wheel clampers has not made parking an less dear on drivers as they are now subject to automated "penalty" tickets when they break the rules in a car park, the AA has said.
Last year wheel clamping was banned from operating in private car parks but 12 months on parking enforcement firms are still issuing tickets.
The AA said private parking operators now rely heavily on CCTV and automatic number plate recognition (ANPR) to watch drivers and issue tickets through the post when they put a foot wrong in parking areas.
Complaints against private firms posting penalties which arrived a few days after the alleged offence were coming thick and fast, the car insurer said.
Edinburgh and the south coast of England were the worst offenders.
Local Government Secretary Eric Pickles told ITV Daybreak that motorists should have a fair deal on parking, and "not find themselves in a situation where that they're worried all the time that if they're a few minutes late they will have a whacking great fine."
He added that the current five minute grace period for parking "should be extended to 15 minutes."