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low traffic neighbourhoods

modal shift in the school run

Children, Oxford, Transport — May 2021

cycle rack with overflow bikes attached to edges of frame and lying on the grassModal shift in action! Seeing individual children at Larkrise taking up cycling or walking is great, but this photo gives a feel for the broader picture. I did a count and there were twenty bikes more than would fit into the school's cycle parking: this rack was eighteen over capacity and the other was two over! (Normal was fewer cycles than spaces.) And it's still happening: there are still people planning cycle training for their children, trying to buy bikes, and so forth. There are also increasing numbers of older children being allowed to walk to school by themselves. more

things that aren't alternatives to LTNs

Oxford, Transport — May 2021

Various things have been proposed as alternatives to LTNs. Some of the proposals are complementary to low traffic neighbourhoods rather than alternatives to them. Others rely on technology that doesn't exist, funding that doesn't exist, or are otherwise fantastic. None will achieve the core active travel and liveability goals of a low traffic neighbourhood. more

the worst junction in Oxford?

Oxford, Transport — May 2021

Consider the junction where the B4495 (Church Cowley Rd) meets the A4158 (Henley Avenue/Rose Hill). Is this the worst junction in Oxford? more

evaluating LTNs

Oxford, Transport — May 2021

A guest piece by Simon Munk, Senior Infrastructure Campaigner, London Cycling Campaign

Should there be baseline measurement and assessment of LTNs? Hell to the yeah. Will there be? Likely, yes. What should we assess? Overall motor traffic volumes, traffic volumes on peripheral main roads, traffic volumes in adjacent areas, ideally pollution also (but traffic volumes will likely be an incredibly close correlation if not), walking & cycling rates, resident feedback and more. But, wait.... when should we measure? This is really important. IMO measurement of the post-scheme steady state should not happen until at least six months after all schemes are in fully. more

calming traffic and lowering speeds is not enough

Oxford, Transport — April 2021

Lower speed limits and speed limit enforcement keep cropping up as an alternative to low traffic neighbourhoods (or to city-wide action to take back space from motor trafic). Traffic calming and lower traffic speeds are an important complement to reducing motor traffic volumes, but not an alternative to doing that. more

Boundary Brook parking - a hazard

Oxford, Transport — April 2021

I think the biggest gain from controlled parking zones is the prevention of dangerous parking. This can be illustrated by the case of Boundary Brook, in the proposed Donnington CPZ Zone of East Oxford. Vehicles parked here block routes, prevent visibility, and pose a serious risk to the children at Larkrise primary school, as well as to residents and to people who use the area as a walking or cycling route.There are four year olds who cycle to school here with their parents; there are nine year olds who walk here unaccompanied. more

can we live without that junction?

Books + Ideas, Oxford — March 2021

It must have been in 2013 or 2014, when I was still pushing Helen around in a stroller. Coming back from a friend's place on Campbell Rd, I got her safely across Cornwallis Rd at its junction with Rymers Lane, breathed a sigh of relief, and had the idea that a lot of problems would be solved if that junction were simply destroyed — or, to be more accurate, made impassable to motor traffic. At the time this just seemed like a fantasy.


traffic calming or traffic removal? an East Oxford example

Oxford, Transport — September 2020

One common objection to low traffic neighbourhoods is that reducing motor traffic isn't necessary, and that all we need is traffic calming to stop speeding. But even if traffic calming measures worked perfectly in reducing speeds — which they don't — high volumes of traffic are still a huge deterrent to walking and cycling, and are especially dangerous for children and slower or frailer adults. Traffic calming measures such as chicanes also tend to induce stop-start movements, with rapid speed changes that are dangerous, and force people cycling to repeatedly merge with motor traffic.

As an East Oxford example, consider Cricket Rd and Rymers Lane, which together run 1.3km from Howard St to Between Towns Rd. There are fourteen sets of traffic calming measures here, mostly speed humps combined with chicanes but in a few places just one or the other. more

Oxford's existing low traffic neighbourhoods

Oxford, Transport — September 2020

Oxford already has a lot of low traffic neighbourhoods, without through routes for motor traffic (which is restricted to access). Some of these are "natural", in that they were effectively created by the geography, but new areas of housing are built as low traffic neighbourhoods — no one designs residential streets that will attract through traffic — and others have been retrospectively implemented by modal filters, usually bollards or gates. Here I document some of the latter. more

Low Traffic Neighbourhoods

Oxford, Transport — July 2020
Note: a version of this appeared in the Oxford Mail on 21 July 2020.

There is nothing at all complicated about low traffic neighbourhoods, even if urban planners turn them into acronyms ("LTNs") and introduce jargon such as "modal filter". more

an Oxford CPZ (controlled parking zone)

Oxford, Transport — October 2019

The area we're in has recently been made a controlled parking zone, meaning that only vehicles with an area permit can park in it. Residents have to pay £60/year for a permit, with a maximum of two per house, and get a set of one-day vouchers for use by visitors or tradespeople. more

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