A lawyer has clarified that the driver behind is not automatically to blame for a rear-end collision, despite common assumptions. Liability depends entirely on the unique circumstances of each incident.
The Highway Code on following distances
Rule 126 of the Highway Code does not specify who is at fault in rear-end crashes. However, it states that drivers should "leave enough space between you and the vehicle in front so that you can pull up safely if it suddenly slows down or stops". It adds: "The safe rule is never to get closer than the overall stopping distance."
The code also advises: "Allow at least a two-second gap between you and the vehicle in front on high-speed roads and in tunnels where visibility is reduced. The gap should be at least doubled on wet roads and up to ten times greater on icy roads."
What counts as tailgating
The Highway Code defines tailgating as "where the gap between you and the vehicle in front is too small for you to be able to stop safely if the vehicle in front suddenly brakes". It adds that "dangerous and careless driving offences, such as tailgating, are enforced by the police".
The RAC says: "Tailgating falls under the careless driving offence and could land you with a £100 charge and three penalty points on your licence. In the worst cases, tailgating can result in a driving ban or even a prison sentence if a serious collision occurs as a result. It's considered dangerous because it reduces the safe distance between vehicles, increasing the likelihood of accidents."
Driving without due care and attention
There is no specific offence of tailgating. Police would consider whether it could be careless or dangerous driving. Gloucestershire Police said in 2025: "Tailgating is a description of an event and not offence wording. Gloucestershire Constabulary records these as part of a wider group of 'driving without due care and attention' offences."
Driving without due care and attention is punishable with a £100 fine and three points for minor incidents. However, crashing into the rear of another vehicle could be viewed as dangerous driving, which carries an unlimited fine, a driving ban and possible prison time.
Is the rear driver always to blame?
Darrell Kaye, a Partner at Digby Brown Solicitors, writing on The Motor Accident Solicitors Society website, says: "There is often a presumption of fault on the driver at the rear. However, it's not always this straightforward – especially when accusations are made that the collision happened because the car in front braked suddenly and for 'no apparent reason' to the rear driver."
He adds: "The idea that someone is automatically and entirely to blame if they rear-end the vehicle in front is false. Blame – or liability – for rear-end collisions depends entirely on the unique circumstances of each incident."
Ropewalk Chambers barrister Shilpa Shah said "the defendant will be liable in negligence if she failed to attain the standard of a reasonable careful driver and if the accident was caused as a result" but added that this assessment "cannot be conducted in a vacuum; it must be done by reference to the actual circumstances of the actual collision".
