But you may not be aware that you could be fined if you don’t use this one properly.
The Highway Code outlines information and guidance for road users to promote the safe and efficient use of the road network.
However, some aspects of it may be unknown to drivers, and flouting the rules may lead to unwanted consequences.
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Roof boxes are often used when travelling to store items that will not fit inside a car.
But it is vital to ensure it is secured properly, as failing to do so could lead to unwelcome consequences, such as fines.
Here is all you need to know about them.
What does the Highway Code say about a roof box?
While it doesn’t specify roof boxes, the Highway Code does state that drivers must not overload vehicles or trailers.
It also says: “You must secure your load and it must not stick out dangerously.
“Make sure any heavy or sharp objects and any animals are secured safely.
“If there is a collision, they might hit someone inside the vehicle and cause serious injury.”
The AA adds that drivers must “stay within the maximum permitted roof load”.
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It advises checking your car’s limit in the handbook, weighing everything being carried, and not forgetting the extra height when driving.
UK law on roof racks
Roof racks can carry various items, such as camping gear, sporting equipment or luggage.
As explained by the AA, the laws on roof racks are:
Any items on the roof must not obstruct the driver’s vision in any way
Items can protrude no more than 50cm from the sides or rear of the car
Items can protrude no more than 15cm over the front of the car
Items on the roof cannot exceed more than 100kg
It adds: “If you put too much weight in your car, several problems can occur.
“For one, you’ll suffer from reduced handling and performance, with stopping, starting and turning all negatively affected.
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“You may also see an increase in the amount of wear and tear on key components within your car, such as the engine, suspension, brakes and tyres – leading to costly repairs.
However, if you stick to the guidance and be mindful of your vehicle’s weight, you’ll significantly reduce the risk of vehicle issues occurring in the future.”
Why UK drivers could face fines over roof boxes
In a recent survey by eBay, which was shared by the RAC, it revealed that nearly a third of UK drivers (31%) now own a roof box.
However, only half lack the confidence to secure it correctly.
It is vital to secure a car roof box properly (Image: Getty Images) The RAC says: “For those travelling with families, or those also needing to take extra items, roof boxes are a useful accessory.
“Failing to properly secure a roof box can lead to a fine of up to £2,500 and three penalty points on a driving licence.
“This is because it contravenes Section 40A of the Road Traffic Act 1988.”
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This section states that a driver is guilty of an offence if they use a car accessory that poses the danger of injury.
It also says the weight, position or distribution of its load, or the manner in which it is secured, must also not cause a danger to others.
The survey also revealed that just 58% were aware of the potential fine or points when it comes to fitting roof racks.
