The big motorcycle helmet debate: ‘You don’t make it safe by forcing cyclists to garment for urban warfare’

The question of whether cyclists should wear helmets provokes frenzy often from those on four wheels. But which has “the worlds biggest” benefit: increased physical safety, or creating a better environment for people to cycle helmet-free?

As a cyclist, I dont object to helmets or to high-visibility garment. Like the majority of people I know in London, I wear a helmet most of the time when on a bike. I do, however, have serious worries about efforts to induce the use of hi-vis clothes or helmets compulsory, or even to encourage them as a safety panacea. Because when it comes to genuine efforts to stimulate cycling safer, they are a red herring, an irrelevance, a peripheral issue that has somehow come to dominate the argument.

Olympic cycling champion Chris Boardman eloquently conveyed this when an appearance on BBC1s Breakfast show to discuss bike infrastructure became dominated by angry spectator reactions to him being filmed cycling down a street bare-headed. I understand exactly why people feel so passionately about helmets or hi-vis, Boardman wrote. I understand why people wish to use them. But these actions seek to deal with an effect. I want to focus the debate on the cause, and campaign for things that will really induce cycling safe. That is why I wont promote high-vis and helmets I wont let the debate to be withdrawn on to a topic that isnt even in the top 10 things that will really keep people who want to cycle safe.

Boardman is not alone in determining that helmet utilize provokes strong and strange reactions. Nick Hussey, the founder of a British cycle dres company, Vulpine, became so perturbed by the vicious social media reaction when his firms website featured models on bikes without helmets that he wrote a response for the Guardians cycling blog. It began with the parallel of him hypothetically marching into a bar and snatching a third or fourth pint of brew from a random drinkers lips, hollering, Stop drinking or you will die!

Thats more or less what the infamous helmet debate has become, Hussey lamented. Shouty strangers wailing at other shouty strangers for selections that dont affect the first shouty strangers life. Its a bit weird, definitely a trash of energy, and not a fun place for cyclists to share space in.

As Boardman noted, in the Netherlands, perhaps the least perilous country for cyclists in the world, helmets and hi-vis are almost unknown. You dont construct cycling safe by obliging every rider to dress up as if for urban warfare. You do it by creating a road system that insulates them from fast-moving and unpredictable road traffic.

In the Netherlands, cyclists helmets and hi-vis are almost unknown … a couple in central Amsterdam. Photo: Alamy Stock Photo

In contrast, the great majority of UK cyclists ride helmeted, something which considered bike helmets added back into the official basket of goods used to estimate the inflation rate in March.

Dr John Black is an eminent doctor of emergency medicine who has managed helicopter acute medical teams and advised the government on emergency care. He has insured the terrible repercussions that can follow from a head trauma on a bike, something the evidence proves can be worsened if the rider is not wearing a helmet. Black believes helmets are due to be obligatory by law. He was among a series of doctors who wrote to the British Medical Associationrequesting that it formally call for mandatory helmet employ. It subsequently did, a decision that remains controversial.

Black watches his views as simple common sense. If someones unprotected head strikes a solid surface such as the roadside or the pavement, even if its a ground-level fall, patients can sustain devastating head and brain injuries, he says. We know that the wearing of cycling helmets can reduce the risk of that by up to two-thirds. Black says he has treated young people who suffered injuries that left them unable to live independently. I merely dont think we can afford to plan for, particularly, young person of running age potentially being incapacitated and needing lifelong care, with all the devastating consequences that has , not just for them but for their families, he says. I dont think we can afford to be complacent about this issue.

All this constructs perfect sense, does it not? Lets hear, however, from another doctor. Dr Harry Rutter is a public health expert who specialises in physical activity. He is sceptical about an excessive focus on helmets as a safety measure. Most of the risk of severe trauma while cycling is not intrinsic to the activity motorists enforce it on cyclists, he argued in the influential guidebook City Cycling. Cycling is a benign activity that often takes place in dangerous environments. Of the three main elements determining serious cycling injuries the road design and conditions, the motorist and the cyclist the cyclist is the most studied.

Most of the risk of severe injury is imposed on cyclists by motorists … rush hour near Waterloo station. Photograph: Dan Kitwood/ Getty Images

If I want an expert on one patients head trauma, then Black is the doctor I would choose. But Rutter is an epidemiologist, and so looks at issues on a population-wide level. And the problem with the helmet debate is that too few people do this.

But lets begin with something hopefully straightforward and more individual: if you happened to fall off your motorcycle and strike your head, a well-fitted and properly fastened helmet would offer some injury protection. A major 2001 its consideration of studies and research to indicate that helmets minimize the risks of head trauma by 60%. A 2011 examination of such studies by Rune Elvik, a Norwegian academic and road safety expert, said the overall protection could be slightly reduced given what seems to be an increase in the likelihood of a neck injury if you wear a helmet( another source of endless debate ).

Now, however, things begin to get more complicated. In his analysis, Elvik noted that whatever the benefits in each individual case, a population-wide increase in helmet use, for example after legislation, is not generally matched by similar reductions in overall head injury rates. Again, with helmets things are never as straightforward as they appear.

Robert Chirinko is a man with a minor preoccupation for spotting how peoples behaviour changes according to their perception of hazard. Thus, he notes, while a small car might be less safe if someone is actually in a crash, recognition of this fact often makes a person more likely to drive carefully, and they may well end up safer overall.

He also has thoughts on the beset of serious concussions affecting American football game. Is the answer more padded helmets and other protections? Offsetting behaviour is demonstrated that improved protection lead to a greater feeling of safety, and hence increased levels of the severity of tackles, blocks and other confrontations, he says. It follows that the answer may well be less protection. If US footballers feel less safe, they will surely temper their performance on the field accordingly, with desirable health outcomes for all participants.

One analyse appeared to show that helmet utilize could build cyclists act in a more reckless manner. Photograph: lmsvail9 9/ Getty Images

Chirinko is an economist at the University of Illinois , not a doctor or road safety expert. But his ideas about offsetting behaviour his professions word for what psychologists call hazard compensation is a fascinating element to the discussion over bike helmets. Crucially, it seems the perception of reduced risk when a helmet is worn is to be able to prompt riders to be more reckless with their own safety and nudge drivers into being less careful towards cyclists.

One of the most famous experimentations connected to risk perception and cycle helmets was carried out by Dr Ian Walker, a psychologist at the University of Bath. Walker is a man who has researched attitudes and reactions to cyclists with more thoroughness than most. In 2006 he attached a computer and an electronic distance gauge to his bike and recorded data regarding 2,500 drivers who overtook him on the roads. Half the time he wore a bike helmet and half the time he was bare-headed. The results showed motorists tended to pass him more closely when he had the helmet on, coming an average of 8. 5 cm nearer. Walker said he believed this was likely to be connected to cycling being relatively rare in the UK, and drivers thus forming preconceived ideas about cyclists based on what they wore. This may result drivers to believe cyclists with helmets are more serious, experienced and predictable than those without, he wrote.

In a parallel experiment Walker also spent some time riding about wearing a long brunette wig, is to determine whether drivers gave female cyclists more room than men, perhaps because they also unconsciously assumed girls are less experienced cyclists. They did, it emerged, even when the woman was 6ft tall and, for the drivers who happened to look in their rear-view mirror, amazingly hairy.

The converse to all this is yet another analyze carried out by Walker, this time in 2016, which appeared to show that helmet utilize could potentially attain cyclists themselves act in a more reckless way. His experiment ensure participants of various ages and both genders asked to play a computer game in which they pressed a button to inflate a balloon on the screen. Each inflation earned them more hypothetical fund, but also increased the random opportunity of the balloon bursting, which would wipe out the winnings. At any point players could stop and bank what they had earned from each individual balloon.

Those taking part were fitted with eye-tracking sensors and told this was the purpose of the experiment. However, the sensors were not plugged in the real exam was that half the participants had the eye tracker fitted to a baseball cap, the other half to a motorcycle helmet. Over dozens of games, those wearing the helmets consistently took greater risks on average when inflating the screen balloons. The helmet could stimulate zero change to the outcome, but people wearing one seemed to take more hazards in what was essentially a gambling undertaking, he wrote. The practical implication of our findings might be to suggest more extreme unintended consequences of safety equipment in hazardous situations than has previously been thought.

One survey showed that motorists tend to give female cyclists more room than males when overtaking. Photograph: Steve Vidler/ Alamy/ Alamy

Yes, a helmet might attain you safer if you get knocked off. However, it might also, even marginally, increase the chance that this happens in the first place. And its when a government chooses it needs to pass a statute building helmet-wearing compulsory that we start to see even more unintended consequences.

City-wide bike-share strategies have become increasingly common in recent years, spreading to hundreds of places around the world. These have almost invariably demonstrated enormously popular. Not, however, in Australia. If you ride a share motorcycle in London or New York or Paris or Hangzhou, you can bring a helmet if you want, or otherwise only leap on and pedal away. Do the latter in Melbourne or Brisbane and you risk being stopped and fined by police, because of compulsory helmet-use laws in force since the early 1990 s. Both strategies have tried to get out this by placing complimentary helmets on the motorcycles Melbourne leaves 1,000 new ones a month or selling cheap helmets at nearby shops.

But for many people its simply too much bother. This is one of the many accidental effects of helmet compulsion. Even in a youthful, vibrant and otherwise innovative city like Melbourne, a bike-share scheme is a non-starter. A small if significant opportunity for creating a human-friendly city with all the public health benefits that go with it is lost.

Clover Moore, the mayor of Sydney, says she would also love to create a bike-share system there but feels unable to, given the long-standing helmet compulsion law. This comes from the government of the surrounding country, New South Wales, over which she has no control. Id like to do it, but with the helmet law its not viable, Moore says. Australia has a reputation for being a free and easy nation. And the very opposite is true. Australians love rules and regulations, or at the least our governments do.

A compulsory bike helmet statute was imposed in Melbourne, Australia in the early 1990 s. Photo: Miranda Forster/ AAPIMAGE

At some phase during a discussion on the subject, a supporter of helmet compulsion will usually say something along the lines of: Forget all this talk about freedom or inconvenience. If a bike helmet law saves simply one life, then it will be worth it, surely? This is emotive stuff. But the accidental effects of motorcycle helmet statutes can go much further than simply undermining bike-share systems. Strange as it may initially sound, there is evidence that they can end up causing more deaths than they save.

This is down to the apparent deterrent effect helmet statutes have on cycling. Some examines have indicated that they put off enough people from riding bikes in the first place that the resulting negative effect on public health more than cancels out any benefits from fewer head injuries. As with everything connected to this subject, its worth noting that its all bitterly disputed by opposing sides. But the evidence seems solid.

One study carried out for New South Wales transport authorities in 1993, a year after mandatory helmet use for adults in the state was extended to children, was mainly intended to check whether the new law was increasing helmet uptake. This it had, but the researchers also found a 30% reduction in the number of children riding to school. Similar data proved even bigger reductions in bike use in other parts of Australia when helmet statutes came in. In New Zealand, where helmet compulsion was introduced in 1994, the number of overall bike trips fell 51% between 198990 and 20036, according to one research paper. The reasons are mixed. It can be in part because some people simply dont want to bother with a helmet, a factor arguably less important now than 20 -plus years ago, when motorcycle helmets were more expensive and not nearly as comfy. More pressing, however, appears to be the fact that obligatory helmet use reinforces the notion that cycling isnt an everyday route to get about, but a specialist pursuit needing security equipment, which stimulates it less appealing.

Professor Chris Rissel, a public health expert at the University of Sydney, carried out a 2011 analyse that asked people in the Australian city about the effect of the helmet-use statute. Almost a one-quarter of respondents said they would cycle more if they did not have to always should be considered a helmet, with the greatest increase in motorcycle use among younger or occasional cyclists. A repeal of the law would, Rissel said, have a significant positive impact on improved public health. Another Australian academic once tried to quantify this effect.

Piet de Jong, a prof of actuarial science at Macquarie University, crunched figures for the estimated reduced by bike employ if helmets are made compulsory against any fall in head injuries. For most countries, under premises favourable to the helmet legislation suit, the unintended health costs cancel out the direct health benefit, he found. For the UK, de Jong calculated that an overall net cost to public health of a helmet statute “wouldve been” about 500 m a year. Critics have questioned some of De Jongs computations. However, there are other potential health drawbacks to helmet compulsion. For a start, if a law does entail fewer cyclists, you have the possibility of a reversal security in numbers consequence fewer riders on the road could place those remaining at more individual risk.

The only part of the UK to have introduced a cycle helmet law is Jersey. In 2014 the States of Jersey, the islands centuries-old combined legislature and executive, passed a law compelling children aged 13 or under to wear a helmet, at aches of a 50 penalty for their parents.

In many ways wearing a helmet stimulates even more sense for a child than an adult. Photo: Danny Lawson/ PA

In many styles, wearing a helmet makes even more sense for children than it does adults. They have a greater likelihood of falling off bikes and, when they do, are more likely to hurt their heads, in part because young bodies are disproportionately weighted towards the skull. My son wears a helmet whenever he is cycling. That said, there is no evidence that Jerseys law will achieve anything at all.

The islands government commissioned the UKs respected and independent Transport Research Laboratory to evaluate the plan. Its report found that the year before the ban, 84% of Jersey children wore helmets anyway, and not a single under-1 4 had been seriously hurt on a motorcycle.

At the time, I spoke to Andrew Green, the Jersey politician behind the law. He dismissed the idea that it would watch a reduction in cycling, but offered only an anecdotal view as to why: I believe children participating in cycling will increase after the law, based on the number of telephone call Ive had from mothers saying, I want little Johnny to wear a helmet. He wont wear it because his friends wont wear one. Therefore I wont let him have a motorcycle. Its an debate. But its not evidence.

The tragic backstory to Greens interest is that his now-adult son is unable to live independently after he suffered a serious head trauma on a bike when he was nine. Green himself chairs Headway, a charity that does fantastic work with people who have suffered brain traumata but has branched out, controversially, as a vocal proponent of helmet compulsion.

Its easy to assure why Green does what he does, but equally its important that someone counters his views. Of its annual budget of 630 m in the year the law was passed, Jerseys government expended precisely 150,000 on pedestrian and safety improvements.

This is a compact island with a benign climate and lots of green space. Yet 23% of its five-year-olds are overweight or obese, rising to 35% of the rights of children aged 10 or 11, higher figures than the UK average. When it comes to improving the health of children, the government might be better served doing everything it can to get them on bikes , not generating laws that exaggerate the dangers of doing so.

In 2006 the British Medical Journal carried an examination of the evidence by Dorothy Robinson, an Australian statistician, into what actually happened in New Zealand and Australia after helmet compulsion laws were passed. The survey uncovered complications over figures that seem to show a reduction in head injuries suffered by cyclists, a fact much touted by advocates. For example, it found evidence that adult cyclists who opt to wear helmets tend to be more safety-conscious anyway, while helmeted children are more likely than non-helmeted children to ride in parks rather than streets.

Finally, the study noted, helmet-use statutes had often are in force at the same period as other road safety measures, such as random driver alcohol breath-testing in parts of Australia, which was likely to have even more impact on security. The conclusion? The idea that motorcycle helmet laws directly improve overall security for cyclists doesnt appear to be backed by any evidence.

In 2013 the tireless Ian Walker carried out a more extensive version of his helmet survey. It also measured how closely drivers passed a motorcycle when overtaking, but this time employing a volunteer colleague rather than himself there were seven different outfits. Four attained the rider look like a cyclist of varying experience and dedication, ranging from full Lycra to more everyday clothes, including one involving a hi-vis coat. Three other attires were based around bright yellow waistcoats bearing written messages. One read, Novice cyclist: please pass slowly; another said, Polite: please slow down polite is sometimes used by UK cyclists and pony riders in the hope drivers might mistake it for police and finally one read, Police: camera cyclist.

This brought data for just under 5,700 overtakes, more or less evenly split between the seven outfits. None of the attires made an appreciable difference to driver behaviour, apart from the one saying police. For the six others, the average passing distance was between about 114 cm and 118 cm. For police it went above 122 cm. Similarly, the proportion of drivers who went very near the bike was perceptibly lower for the police vest. In contrast, the tabard saying polite ensure the nearest median overtaking distance and almost twice as many potentially dangerous passes as police.

The lessons seem clear and worrying. For one thing , no matter which outfit was worn, a small percentage of drivers still overtook dangerously near, at a distance of 50cm or less. More than this, it seemed drivers were perfectly able to distinguish between different types of rider, and to read and assimilate any message displayed. But rather than adjusting their driving to the perceived experience of the cyclist, it was only when faced with a threat to their own welfare a police rider filming their actions that many permitted a cyclist more space on the road. Most alarming still, some seemed to treat the mild endeavor at subterfuge of polite as a reason to nearly penalize the cyclist.

When Walker carried out his original 2006 helmet experiment, he says, he did not conclude that the results entailed drivers didnt care. I felt that was a very callous interpretation, and it was more likely that they just took the helmet as an indication of experience, he says. But the later examine changed his view: It truly might have been something like, Well, hes got a helmet, it doesnt matter.

This is an edited extract from Bike Nation How Cycling Can Save the World, by Peter Walker, published by Yellow Jersey on 6 April. To order a copy for 11.04( RRP 12.99) go to or call 0330 333 6846. Free UK p& p over 10, online orders merely. Telephone orders min p& p of 1.99.

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