Ryan Barham
Last updated: 04/06/2025
While there are the obvious driving laws the vast majority of us abide by (stick to the speed limits, don’t cause an obstruction when parking, make sure you indicate etc), there are a number of lesser-known rules that you may not be aware of.
You could end up with points on your licence or substantial penalties if you break the following 20 rules, even though it may have been completely unintentional. Read through our list and take note to avoid getting into trouble.
It’s important to stay calm when driving. Even the shortest outburst of road rage – including swearing or giving another driver a rude hand gesture – falls under the Crime and Disorder Act 1998.
We all know how tough torrential weather is to drive in, but you have to be aware of your surroundings. Careless and inconsiderate driving is an offence with potentially hefty penalties – and deliberately splashing someone walking on the pavement is an offence that falls under this.
Although many drivers believe they’re doing other road users a favour when they flash their headlights to warn of upcoming speed cameras, this is actually against the Highway Code. Rule 110 says you should ‘Only flash your headlights to let other road users know that you are there. Do not flash your headlights to convey any other message or intimidate other road users’.
Although dogs absolutely love getting a bit of fresh air while driving and there is no direct law stating they can’t stick their heads out of a window, there are some reasons to avoid letting them do this. First, they could be hit by flying debris and second, you could face a fine of up to £1,000 as they could be classed as causing a distraction. This could increase to £5,000 if the animal is found to have caused or contributed to an accident.
If you break down on the hard shoulder, you must leave any animals in the car – for your, theirs and other road users’ safety. The Highway Code states that pets should be harnessed or kept in a pet carrier when driving for both safety and to prevent distraction. If stopped on a hard shoulder, they should only be let out in an emergency.
You shouldn’t use your mobile phone at any point while you’re driving. This includes when your car is stationary. The only time you should use your phone is when the engine is off and the handbrake is on. Maybe think about doing this to use a mobile pay system at the counter…
If you fall asleep in the car after having a few too many drinks, you could be classed as being in charge of a vehicle while intoxicated. We all know how dangerous drink driving can be, so if you’ve had a few too many, it’s best to get a lift in a sober friend’s car or get them temporary car insurance to drive you home in yours.
Everyone loves playing their favourite band’s songs loud, especially if en route to seeing them in concert. This can be deemed as a distraction and be classed as excessive noise that causes you to lose concentration.
The Highway Code states: ‘You MUST NOT park on a road at night facing against the direction of the traffic flow unless in a recognised parking space.’ This is because a car’s rear reflectors make it visible to other drivers.
It’s illegal if you don’t tell the DVLA about a medical condition that affects your driving. You could be prosecuted if there’s an accident.
The UK has a number of strict laws around taxi services. As such, you can accept petrol money from someone if you give them a lift but can’t take any more money than that. If you do, you could end up with a huge fine, a possible 6 points on your licence or even having your vehicle seized.
Obviously, you should never overtake in an area with ‘no overtaking’ signs. You also shouldn’t overtake when a road has a single solid down its middle or a double white line with a solid line nearest you.
Rule 112 of the Highway Code states: ‘Never sound your horn aggressively. You must not use your horn while stationary on the road, or when driving in a built-up area between the hours of 11.30pm and 7am, except when another road user poses a danger’. Essentially, unless you’re in imminent danger, you shouldn’t be using your horn. This includes if you’re stuck in gridlocked traffic.
It is a legal requirement to keep your car number plate clean and visible. It needs to be able to be identified by the police and APR cameras so remove any dirt, mud or other obstructions asap.
Is it illegal to drive barefoot or in sandals? Technically, no, but the Highway Code (Rule 97) does confirm you should ensure your ‘clothing and footwear do not prevent you using the controls in the correct manner’. Wearing footwear that doesn’t let you operate the controls of the car correctly could lead to a driving without due care and attention charge.
Overloading your car can affect how your vehicle works, including the handling, and put you and your passengers at risk. You can easily overload your vehicle so watch out for issues with braking, tyres and your suspension system sagging. You could get:
We hope you will take your rubbish home with you and not throw it out the car window. If you or your passengers are tempted to throw something out, be aware that the registered keeper of the vehicle – not necessarily the person who threw the litter – could face an on-the-spot fine of up to £150.
Although you may look cool, driving in sunglasses might not be the best idea. While wearing sunglasses in the day to protect from glare is encouraged, the eyewear could affect your vision at night. If you’re involved in a collision where your glasses are considered to be a contributing factor, you could be subject to a dangerous driving charge.
If you have Category 0 sunglasses with 80-100% light transmission, then it is legal to drive in them at any time.
Categories 1-3 are safe for day driving.
Category 4 sunglasses are not legal to drive in at any point.
Under the Road Vehicles Regulations 1986, drivers need to have a full view of the road and traffic ahead of them . This means air fresheners dangling from your rear-view mirror could obstruct your view and land you a significant fine. They can also cause a car to fail its MOT. Maybe it’s worth looking at an alternative?
We all know how important it is to abide by the speed limit but did you know that you shouldn’t be driving too cautiously? If you’re driving too slowly, you can be pulled over and cautioned with driving without due care and attention. This is because you could cause a risk to other drivers and increase the possibility of accidents. A worst-case scenario would be a £5,000 fine with 9 penalty points.
Whether you’re driving your own car or getting temporary car insurance to drive somebody else’s, you’ll be able to hit the road safely and share some tidbits with your passengers about the driving laws they never knew.
https://www.mirror.co.uk/money/drivers-face-fines-up-1000-20542451
https://www.highwaycodeuk.co.uk/penalty-table.html
https://www.dailyrecord.co.uk/lifestyle/uk-drivers-face-200-fine-25096062
https://joinrooster.co.uk/11-unusual-driving-offences-and-how-much-you-could-be-fined/
https://www.carmoney.co.uk/resources/blog/four-unexpected-fines-that-could-cost-motorists-3700
https://uk.news.yahoo.com/drivers-flash-headlights-warn-others-144924139.html
https://www.insurethebox.com/10-weird-uk-driving-laws-you-might-not-know/
https://www.thewindscreenco.co.uk/help-advice/10-strange-uk-driving-laws-you-might-not-know/
https://www.rac.co.uk/drive/features/driving-offences-you-didnt-know-were-illegal/
https://www.insurancerevolution.co.uk/blog/strange-uk-driving-laws-you-may-not-have-heard-of-us/
https://www.gov.uk/government/news/new-steps-to-tackle-littering-announced
https://www.oxfordmail.co.uk/news/national/uk-today/24741070.drivers-warned-fined-flashing-lights/
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Temporary Car InsuranceTempcoverDriving LawsDriving Advice