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There were barriers set up all along Wightman when it was closed, you couldn't scoot along more than a few streets and at either end you couldn't get down to Green Lanes at all.
Allison and a few others probably showed less decrease as they aren't used as rat runs that much compared to others.
aggi-
There were barriers set up all along Wightman when it was closed
Ah thanks, I didn't realise that. I was in the area only once during that time, and only rode a short section of Wightman Road then. Obviously, that changes interpretation of the findings. :)
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Out of interest, do you know where to find info on the exact locations of the filters?
This only mentions a filter at the junction of Wightman Road and Turnpike Lane:
I read the study brief at the time, but I'm pretty sure there wasn't any mention of further filters in there, so I never picked that up.
Oliver Schick
Cheers, great work. I rode along most of Wightman Road today and can only describe the drivers I encountered as courteous and competent, but of course it wasn't operating under heavy pressure today. Very steady flows but nobody got impatient.
What I find very interesting about the findings along Wightman Road is that there doesn't seem to have been a pattern I thought likely--that Turnpike Lane-bound drivers might have turned off Green Lanes after a few streets of the Ladder to scoot over to Wightman Road. That doesn't seem to have happened, with consistent flow reduction figures of 90-95% all the way along Wightman Road. Obviously, it's only a snapshot, but still intriguing.
Where the connection was used between Green Lanes and Wightman Road, it seems to have been the trio of one-way streets that are Allison Road, Hewitt Road, Seymour Road, although there was an overall reduction even there. Motor traffic movements along these three streets are probably related to drivers going to and from St Ann's Road; eastbound via Hewitt Road, and westbound via the Harringay Road one-way system and then into Allison Road, which has much higher flows than surrounding streets, or via Salisbury Road/Warham Road.