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> They may simply move traffic onto a different road, increase congestion there and so move pollution. Temporarily maybe, but eventually people who don't really need to use their vehicles for those journeys stop using them and seek alternatives, and we drop down to the previous levels of vehicle usage (that still causes significant transit delays) for those that do have a more compelling reason to be driving.Traffic is dynamic and fluid. If you increase capacity more people will start to use their vehicles because capacity is increased, journey times drop, and the journey is not outwardly "horrific". However, the increased volume means it eventually settles to an equilibrium at roughly the same "normal" and now you have more people who will tolerate the same transit times as before. Increased capacity rarely leads to reduced transit times at peak usage.Likewise, if you remove capacity then, eventually, demand drops too, and things eventually return to the same levels.The problem with modern driving is that sat-navs have started to game the system and direct people off the main arterial roads into the residential roads as this doesn't require cab-driver like knowledge of back roads. But the same eventual bottlenecks are present (e.g. single lane Upper Richmond Road through Sheen, West Hill dropping to one lane, etc), or other things like Hammersmith (and now Wandsworth) bridges being shut. Eventually the traffic bunches up somewhere and it's even worse than before as there are now 12 extra side roads all full filtering into the same arterial road.These roads that are now being swamped were never meant to carry commuting traffic. Many of them are roads past schools for example. Some people can't see the problem with this and think that this is fair game and that all roads are equal and that all roads should be able to carry the full weight of vehicles. Good luck to them, but they're going to find things increasingly annoying in the future as the country (and councils and Government) realise this is unsustainable.LTNs are one tool to help redress the balance and reduce the capacity of the residential road network, which puts off people from using their vehicles (ideally those that are choosing to use their vehicles, rather than not having a choice). They'd be less necessary if people weren't as selfish with their transport choices.We'll see what the "independent" LTN review discovers (if it ever happens, the cynic/realist in me suggests that Sunak has just put it out there in the papers to help lather up the various wet Tories and that no official review will ever occur) and I'm sure that, if the review does occur and publish any findings, that each opposing side will decry it for any number of reasons - including bias and political alignment. Such is life, but LTNs are more than likely to stay, and will probably be on the increase in the future so get used to them.

John Kettlekey ● 916d

Michael I,I am afraid that this time I disagree with you.The problem with the 20mph roads is that enforcement is non-existent. This is because only cars exceeding 24mph would receive a PCN  but there are no police to enforce even this, let alone cameras.  So, in fact, there is no deterrent for speeds to be respected.  but yes, there are cameras for no-entry roads.I was delighted when the LTN on Dover House Road was terminated, not only because it affected me personally as well as the road we live in, but particularly as a friend of mine has a shop on the parade and during the LTN (plus roadworks on the parade itself at the time), she lost 80% of her weekly sales.It is not an anti-pedestrian or anti-cyclist move. LTNs have thrown traffic from now prohibited roads onto main roads, which, in fact, affect people living along them tremendously.  The decision by the DoT to declare the camera on Priory Lane as "unlawful" is laughable if not offensive.  The police say they have not enough resources to "police" it, and according to the government, the Council has no right to seek information on the vehicles exceeding 20mph (in reality, 24mph), even if the camera was installed as a collaboration with the police.On our road, the Council say only 12% of the (5720) vehicles using it daily exceed speed limits.  If you take into account the 1906 vehicles that are over 20mph, the percentage goes up to 45%.This is a sad demonstration that deterrence and care is non-existent now and not for the foreseeable future.

Ivonne Holliday ● 918d

No harm in reviewing the implementation of the strategy to reduce traffic congestion and accidents, improve the environment and eliminate greenhouse gas emmissions if one comes up with a better one. What would be unforgivable is if such aims were delayed or just abandoned. One needs to have a carrot and stick approach - perhaps there's too much stick in terms of penalties but not sufficient carrot in terms of better, subsidised and safer public transport, and grants/compensation to promote environmentally friendly options. There's also a variety of lifestyle changes for some that can reduce the use of transport: working from home, car club use, deliveries using shared (hopefully, eventually) green transport, just walking or cycking more, etc.The cost of car usage includes maintenance of infrastructure: I'm sure noone wants both Hammersmith and Wandsworth bridges shut but if they're unsafe and need repairing there's not much option. Is there? Image the outcome if they collapsed with people and vehicles on them! It was interesting looking at Coutts's report on Farage; it noted that one of his proposals was a referendum on climate change. Imagine the voting form; two options: yes, I want to take whatever action in necessary to achieve net zero by 2050 or no, let's not do anything and the human race can head fir extinction ... ok, a bit facetious and I am bluring congestion, environmental and climate issues but those that think driving their car anywhere anytime is just unrealistic and not sustainable (and those issues are all interrelated).The big problem at the moment is that all these issues are just being used to score political points rather than collaborate to resolve them. The cynic in me sees that Sunak is playing to the gallery in the hope he can win votes but if he does he won't fix anything. Public transport, NHS education will continue to degrade, traffic congestion will get worse as will pollution. [I think the Who got it wrong with "won't get fooled again", voters have and are being fooled - and remember Daltry wanted Brexit :-)]

Michael Ixer ● 919d