An idea for the new mayor: pay-as-you-go roads

The new mayor, whoever they are, should start charging drivers based on how much they drive, not sim

London is an increasingly congested city, and with the population expected to continue to grow by as much as 2 million over the next twenty years, congestion is only likely to get worse, with negative consequences for liveability, air quality, carbon emissions, and economic competitiveness.

One policy however could make a substantial contribution to reducing congestion on London’s roads: pay-as-you-go congestion charging (road pricing). Though the case for congestion charging has been more popular on the left than the right, it is founded on good market principles – one of the first people to argue for it was the Chicago-school economist Milton Friedman. Road pricing is simply an economically efficient way of allocating an increasingly scarce resource (road space). For that reason, the theoretical case for road pricing is now accepted by most economists and the policy is supported by a wide array of business organisations.

Smart technologies are making road pricing ever less costly. And it should not be difficult to design a scheme for London which actually reduces the costs of using a car for some car owners – those that use a car infrequently, or on non-congested roads.  

One simple idea might be for the Mayor to refund to all car owners the cost of their annual vehicle tax, while introducing road pricing at the same time, perhaps paid for via the Oyster Card. Those that make little use of their cars could well find themselves better of at the end of the year than currently.

Similarly, discounts could be offered on less polluting, greener vehicles. Integrating congestion charging with the Oyster Card would allow people to make a direct calculation as to the costs and benefits of using the car versus other means of transport. Indeed, the mayor could go futher, promoting a London travel card (or a London travel account – cards could soon be superceded by smart phone accounts) for use on public transport, private cars, car clubs and even cabs and taxis.

The principle that we should pay more to travel at busier than quiet times, or more popular than less popular routes is already well established - notably on the railways. While the Congestion Zone covers less than 2 per cent of London's roads, it has been widely accepted, and demonstrated that road charging can be effective. And while congestion charging schemes have been rejected in referendums held in Edinburgh and Manchester they have passed the test of public opinion in other cities like Stockholm. The key seems to be to introduce the scheme first and once it is established and it has been tried and tested by the public, only then hold a vote on whether to remove it.

A Taxi enters the congestion charging zone. Photograph: Getty Images

Ben Rogers is the director of the Centre for London think tank, and the author of 10 Ideas for the New Mayor.

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A swimming pool and a bleeding toe put my medical competency in doubt

Doctors are used to contending with Google. Sometimes the search engine wins. 

The brutal heatwave affecting southern Europe this summer has become known among locals as “Lucifer”. Having just returned from Italy, I fully understand the nickname. An early excursion caused the beginnings of sunstroke, so we abandoned plans to explore the cultural heritage of the Amalfi region and strayed no further than five metres from the hotel pool for the rest of the week.

The children were delighted, particularly my 12-year-old stepdaughter, Gracie, who proceeded to spend hours at a time playing in the water. Towelling herself after one long session, she noticed something odd.

“What’s happened there?” she asked, holding her foot aloft in front of my face.

I inspected the proffered appendage: on the underside of her big toe was an oblong area of glistening red flesh that looked like a chunk of raw steak.

“Did you injure it?”

She shook her head. “It doesn’t hurt at all.”

I shrugged and said she must have grazed it. She wasn’t convinced, pointing out that she would remember if she had done that. She has great faith in plasters, though, and once it was dressed she forgot all about it. I dismissed it, too, assuming it was one of those things.

By the end of the next day, the pulp on the underside of all of her toes looked the same. As the doctor in the family, I felt under some pressure to come up with an explanation. I made up something about burns from the hot paving slabs around the pool. Gracie didn’t say as much, but her look suggested a dawning scepticism over my claims to hold a medical degree.

The next day, Gracie and her new-found holiday playmate, Eve, abruptly terminated a marathon piggy-in-the-middle session in the pool with Eve’s dad. “Our feet are bleeding,” they announced, somewhat incredulously. Sure enough, bright-red blood was flowing, apparently painlessly, from the bottoms of their big toes.

Doctors are used to contending with Google. Often, what patients discover on the internet causes them undue alarm, and our role is to provide context and reassurance. But not infrequently, people come across information that outstrips our knowledge. On my return from our room with fresh supplies of plasters, my wife looked up from her sun lounger with an air of quiet amusement.

“It’s called ‘pool toe’,” she said, handing me her iPhone. The page she had tracked down described the girls’ situation exactly: friction burns, most commonly seen in children, caused by repetitive hopping about on the abrasive floors of swimming pools. Doctors practising in hot countries must see it all the time. I doubt it presents often to British GPs.

I remained puzzled about the lack of pain. The injuries looked bad, but neither Gracie nor Eve was particularly bothered. Here the internet drew a blank, but I suspect it has to do with the “pruning” of our skin that we’re all familiar with after a soak in the bath. This only occurs over the pulps of our fingers and toes. It was once thought to be caused by water diffusing into skin cells, making them swell, but the truth is far more fascinating.

The wrinkling is an active process, triggered by immersion, in which the blood supply to the pulp regions is switched off, causing the skin there to shrink and pucker. This creates the biological equivalent of tyre treads on our fingers and toes and markedly improves our grip – of great evolutionary advantage when grasping slippery fish in a river, or if trying to maintain balance on slick wet rocks.

The flip side of this is much greater friction, leading to abrasion of the skin through repeated micro-trauma. And the lack of blood flow causes nerves to shut down, depriving us of the pain that would otherwise alert us to the ongoing tissue damage. An adaptation that helped our ancestors hunt in rivers proves considerably less use on a modern summer holiday.

I may not have seen much of the local heritage, but the trip to Italy taught me something new all the same. 

This article first appeared in the 17 August 2017 issue of the New Statesman, Trump goes nuclear