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Harringay, Haringey - So Good they Spelt it Twice!

I've not been on the forum much recently so not seen if there was much discussion of the updated traffic survey. This was in June, so whilst Wightman Road was closed.

Thanks to JoeW I have the underlying data so thought I'd put them on a few maps as before.

Firstly, this is the original map from January 2016 https://batchgeo.com/map/2f4e10d6837dc467e22771242386901a

This is the new data from June 2016 https://batchgeo.com/map/d3519048889e452b1266b5df9582ca0d

In order to compare I've mapped the differences. Positive figures are higher levels of traffic in June, negatives are higher levels of traffic in January. As expected, significant drops were seen on the Ladder and Wightman Road. There were increases on bits of Green Lanes, Turnpike Lane (between Wightman and Green Lanes), West Green Road and the Broadway as traffic tried to find its way around the closure https://batchgeo.com/map/3d29030e9df36602a3c26b48351ea9f3

I have also shown the increase/(decrease) as a percentage based on the January figures to give a sense of scale https://batchgeo.com/map/f6dadd7f35d86d118c8bd3da53fd7f87

Finally, this map has all the data from January and June to give the full picture, although a little unwieldy https://batchgeo.com/map/dffd78475ca0d105236f9860a0555b49

Tags for Forum Posts: harringay traffic study

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Nice one!

Poor Willougby Rd. No wonder Duckett's Common has the problems it does.

Not quite. I wish it had shown Hornsey park Rd. I bet they also saw a big drop off in traffic.

Huge drop in traffic. Usually was backed up to Malvern Road and beyond at 08.00 - that all disappeared throughout the closure - now back, although it seems to me more people are turning right in the morning and going south further west (as opposed to going up Wightman).

Something odd has happened on Tollington Park. The traffic is still very banked up. I think something has been done to the lights coming out of Finsbury Park to give less priority to Tollington/Endymion traffic because of the Wightman closure, but not put back. Was it like that before? I thought it was one of the complaints about Wightman being closed. So if it's always been a problem then the only real issue with closing Wightman was across the top of the ladder and I think that's soluble.

The traffic lights at the entrance to the park on the corner of Endymion Road / Upper Tollington Park have a very long red phase, for a pedestrian crossing.

The pedestrians on Green Lanes get way, way less than that phase. It's broken.

I missed the Endymion Road counts off these as the data didn't say where they were placed and the figures weren't received for the Jan count.

Looking at the numbers a fair proportion of the Wightman traffic probably diverted through Crouch End and down Green Lanes but it's not clear what happened to about half of it. A combination of it going down the A10 or Seven Sisters Rd (partly the case I'd suspect looking at West Green Rd) and just less traffic I would imagine.

Thanks very much for producing this interesting material.

As I live on Wightman Road, more or less where your map shows that traffic fell by between 92 and 95% I can confirm that this accords with my impression - it was almost heavenly.

Of course, from the point of view of physical impact, what matters is not the percentage but the actual volume of vehicles and, by this measure, Wightman Road, stands out as very unjustly treated.

The style of the map you have used follows a convention of showing Wightman Road as being physically wider than the ladder rung roads simply because it is "B route".  This is completely misleading.  Wightman Road carriageway is exactly the same width as those in the rungs and its footways are also the same as theirs.  The only differences are that the ladder rungs are one way streets and parking there is not permitted on the footways whereas, in Wightman Road, cars can only be parked half on the footways.

It's interesting to see just how many green markers there are on the heat map of percentages:

The biggest drops are shown in blue and not surprisingly on the rung roads and Wightman itself. The green markers show traffic staying the same or dropping slightly - there are several of these further east, including on West Green Road, St Anns Road, and Green Lanes itself.

Further west, Crouch Hill/Stroud Green Road saw 20-30% increases - although in absolute terms, Crouch Hill/Stroud Green Road (an A-road) still only carried about half as much traffic as Wightman Road (a B-road, apparently) does when it's open.



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