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TOPIC: A 'dashboard' showing traffic volumes and speeds in the Fox Lane area

A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 13 Jan 2020 11:08 #5118

Klem Klem wrote: Haringey and other London Boroughs have introduced almost blanket 20mph limit which generally work. Speed is the problem. The easy, effective and resident friendly option would be for the council to introduce 20mph limit through the Fox Lane and all estates.


If that's the case, then why aren't the current 30mph speed restrictions working....??

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 14 Jan 2020 17:16 #5121

I'm an 82 year old cyclist, who cycled a lot in his childhood on roads where traffic was, by current standards, negligible . Then there was a break whilst I dealt with my education and early employment until I moved into deepest countryside 8 miles each way to/from work by 'bike'. That, by and large, was not a lot of fun because much of it was along a major road in the countryside, although one evening, long after dark, and on the section of my ride which was a track, not a main road, I cycled up behind a magnificent stag who didn't hear me coming; indeed I eventually had to shout to get him out of my way. That sort of experience stays with you.

But to business. In a sense I sympathize with Klem Klem; by comparison with what I've seen elsewhere in Europe the A105 (Green Lanes) cycle lanes are rather dismal, but the Council has done what can be done on exisiting roads, and for a single cyclist in a well-lit city it's adequate enough. Well done Enfield! Sure the sections on the pavements through the shopping areas could be dangerous, but with a loud bell on my bike's handlebars I get by.................and most walkers are polite and willing to scuttle onto the pavement. That's better that than people being scared of traffic and not cycling at all. And we should remember that even Europe's cycling nations have their problems which they solved and we are borrowing.

I say 'Hurrah' to Enfield. After all, those of us who are experienced cyclists can move back to the general carriageway, that's the law. And remember: quite a high proportion of car journeys are driver-only short trips which could have been walked, 'biked' or made on public transport. Walkers and cyclists are where the Council would like us to be.

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 16 Jan 2020 10:40 #5126

I am adding this note to simply provide information, which readers can choose to accept or not. But I expect it may still attract comments questioning my motives. However, bravely on.

Firstly I am pleased to see that there is a degree of scepticism expressed over the speed data used in the dashboard. I have no doubt that the volume data is near enough correct and perhaps the data regarding the lower speeds also. But the data regarding the speeds of close to 100 mph must be challenged. Because they are frequently used to justify certain arguments. I recently did "the math", based on the laws of physical mechanics in respect of rates of acceleration, velocity and hence distance travelled. Then applied that to published data from car manufactures regarding their models' rates of acceleration. Those who choose to do so will find that it is impossible for a vehicle to have reached a these extreme speeds, travelled for a distance at that speed (remember during acceleration the vehicle would be well below these upper limit) and then decelerate towards the junction. The vehicle would have either flown into the park or similar. So please apply a degree of common sense when looking at these data points.

Secondly, it was of great interest to see the data for cycle numbers in Green Lanes and a level of selective transparency - through publication on . However I requested and obtained from LBE the data for the parallel cycle scheme in Edmonton's Hertford Road (attachment to this note). Ther,e the average number of cycle journeys in one direction is 90 per day. (between 1st August and 31st December 2019). The peak day was 149 and the lowest 40. Whilst this data is not immediately relevant to discussions in the Palmers Green area, it is relevant when assessing the levels of success of LBE schemes implemented to date.

In conclusion however, it is extremely positive that measured data (with an acceptable degree of accuracy ) is now being made available for evaluation of current and planning future options. This is to be welcomed. If we are to engage in meaningful debate regarding LTNs it must be grounded in sound data and modelled accordingly. Let us use these data going forward in the debates. And make it readily available to all.

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 16 Jan 2020 10:54 #5128

Richard Mapleston wrote: I recently did "the math", based on the laws of physical mechanics in respect of rates of acceleration, velocity and hence distance travelled. Then applied that to published data from car manufactures regarding their models' rates of acceleration. Those who choose to do so will find that it is impossible for a vehicle to have reached a these extreme speeds, travelled for a distance at that speed (remember during acceleration the vehicle would be well below these upper limit) and then decelerate towards the junction. The vehicle would have either flown into the park or similar. So please apply a degree of common sense when looking at these data points.


Not sure why data "has to be challenged", other than when it appears to disagree with someone's predisposition, but as we used to get told at Uni... please set out your working. I'd be generally interested.

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 16 Jan 2020 13:46 #5131

Regrettably my attachment with Edmonton Cycle Lane usage did not attach. Hopefully this time ....

This browser does not support PDFs. Please download the PDF to view it: Download PDF

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 16 Jan 2020 14:42 #5132

Of course we should be confident in the data, though I cant see any reason for LBE to provide inaccurate figures ; easier for them to do nothing. Perhaps what’s most important is the materiality of the figures - if I was hit by a car whether it’s doing 60, 70 or 80 is immaterial - I’m a goner. In fact I don’t fancy being hit by any vehicle doing more than 20. The only advantage of a low speed is that I might have time to get out of the way.

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 16 Jan 2020 14:48 #5133

I wonder if the low usage figures in Edmonton are related to the danger of cycling to the cycle lanes? Only when we have a good network of low traffic neighbourhoods will the cycle lanes on through routes get full usage. All the more reason to expedite Fox Lane’s walking and cycling friendly ltn as a exemplar for the Borough.

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A 'dashboard' showing traffic volumes and speeds in the Fox Lane area 20 Jan 2020 14:34 #5140

Klem Klem wrote: Originally announced as dedicated cycle-ways as these lanes have subsequently been labelled as Shared Spaces!


@KlemKlem - I asked about this previously. I went the length of the lanes this morning in PG and there is not a single sign indicating the lanes are "shared spaces". Were you deliberately lying or just confused?

Or is there another stretch to which your hyperbolic response pertains?

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