Eight-in-10 drivers affected by headlight glare

The RAC is calling on the government to commission an independent study into the issue of headlight glare after new research found 85 per cent of those affected believe the problem is getting worse.*

An RAC survey of 2,000 drivers found a huge nine-in-10 (89%) think at least some headlights on cars on the road today are too bright, of which three-in-10 (28%) – a higher proportion than ever – think most are.

Of the all these drivers who complain about the brightness of car headlights, some 91% say they get dazzled when driving with three-quarters (74%) saying this happens regularly.

When it comes to the effects of glare on drivers, two-in-three (67%) who suffer say they have to slow down considerably until they can see clearly again, while a similar proportion (64%) believe some headlights are so bright they risk causing accidents.

In fact, five per cent of these drivers state they have nearly been involved in a collision themselves.

Alarmingly, nearly one-in-10 (7%) say they find headlight glare so bad that they avoid driving at night altogether, a figure that rises to 14% for drivers aged 65 and over.

While the RAC has been surveying drivers on dazzling headlights since 2018, these new findings show more drivers than ever appear to be suffering from them, with 85% of those affected stating they believe the problem is getting worse.

As part of its study, the RAC asked drivers to estimate how long it takes them to see clearly again after getting dazzled by other drivers’ lights.

While 68% say it takes between one and five seconds, one-in-10 (11%) say it takes six or more – which, staggeringly, is enough for a driver travelling at 60mph to cover 160 metres, the equivalent of 40 car lengths.

The reasons drivers perceive headlight glare to be such an issue are less clear, although an overwhelming 87% of dazzled drivers think it is mainly due to the fact some lights just appear much brighter.

This could be as a result of the increasing prevalence of cars fitted with LED headlights, leading to a much more intense and focused beam that the human eye reacts differently to, compared to a conventional ‘yellower’ halogen bulb.

While LED headlights are great for improving a driver’s view of the road ahead, this can be to the detriment of other road users who encounter them.

However, more than four-in-10 (44%) think the dazzling is caused by badly aligned headlights.

A Freedom of Information request submitted to the Driver and Vehicle Standards Agency (DVSA) in November 2023 shows that since 2019, an average of 1.6m, or 5%, of Class 4 vehicles – which includes passenger cars – failed their MOTs as a result of poor headlight aim.

What’s more, with the DVSA stating in 2016 that ‘headlamp aim consistently tops the MOT compliance survey as one of the most likely items to be assessed incorrectly by testers’, the actual figure could be much higher.

The increasing popularity of cars that sit higher on the road, especially SUVs, may also be a factor with those in conventional cars such as hatchbacks, saloons or estates suffering the most.

Six-in-10 drivers (62%) of conventional cars blame the dazzling on higher vehicles, whereas only 35% of those in higher vehicles point the finger similarly sized vehicles.

But whatever the cause or causes of headlight glare, it is clear how strongly drivers feel about the issue with 81% saying more should be done to tackle it – a figure that rises to 87% among drivers aged 45 to 54.

Government collision statistics shows that since 2013, there has been an average of 280 collisions a year where dazzling headlights were a contributory factor.

Of these, six a year involved someone losing their life.

The actual number may be higher if an investigation was unable to determine whether or not a collision was directly or indirectly caused by the glare from another vehicle’s headlights.

As a result of the sentiment among drivers, the RAC has raised the issue of headlight glare with the Department for Transport and has been working with a member of the House of Lords, Baroness Hayter, to make drivers’ concerns known among Government officials.

The RAC provided details of its research to go into a report published last week and will be meeting with the Government this month to discuss it.

RAC spokesman Rod Dennis said: “Our figures suggest drivers are more concerned than ever about headlight glare, with a huge proportion wanting to see something done about it.

“We urgently need the government to take a closer look at the issue, ideally by commissioning an independent study to understand what’s causing an increase in reports of dazzling and, most importantly, what can do be done to keep drivers safe.

“With spring still a long way off, there’s a good chance many people will do most of their driving in darkness over the next few months and, according to our research, that means an awful lot of drivers will experience the discomfort and even danger that comes from being dazzled by headlights.

“On the one hand, brighter headlights can be a good thing as they give drivers a clearer and safer view of the road view of the road, but that appears to come at a cost for those on the receiving end of excessively bright lights.

“The numbers of reported road casualties where headlight glare was listed as a contributing factor might be small when compared to something like speeding, but that only tells part of the story.

“Is it right we have such a high proportion of drivers who feel unsafe when they’re driving at night, with some having even given up night-time trips altogether?”

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1 comment

M Carlisle - Retired member Associate Institute of Motor IndustriesMotor Industries February 23, 2024 at 7:51 am

The issue of feeling the need to fit brighter lighting to vehicles might be reduced if the number of dangerous, unrepaired, pot holes were reduced. Councils who rely on insurance to reduce their own costs should be forced to fix the pot holes.
Not seen any cost, benefit analysis on that!


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