• I wonder if area 2 is so large because of the cemetery and housing estate in the middle? There isn't a lot of through access in that area anyway so maybe making it smaller would have cut certain roads off?

    The reason seems mainly because they don't want to make Odessa Road a cell boundary street. I know why--it doesn't have suitable characteristics, but I do think two smaller cells (which would still be quite large) would be better.

    Has there been much success at getting one way streets changed back to two way? From what I've read on the local feedback map is that, if anything, there seems to be an appetite for more one way streets. I guess people must assume it's safer as they only have to worry about traffic from one direction?

    Yes, as it's the most important network characteristic that benefits cycling, we emphasised it in Hackney. The biggest triumph was having the Shoreditch one-way system (largely) returned to two-way. It's still not complete, but the simple fact that people coming down Hackney Road no longer had to turn left to go down a long detour of a four-lane one-way Shoreditch High Street but could carry straight on into Old Street caused a huge increase in cycling.

    As I said, filtering is largely worth pursuing for the two factors that it makes it possible to return streets to two-way and because it reduces main street turning crashes.

    Would you say implementing this scheme is worse than leaving things as they are? Obviously you wouldn't look to start a bad scheme but as there is a 6-18 month trial period with feedback after 6, is it a good thing that this is starting and can hopefully be improved on in the future? Or are you of the opinion that it's so bad it'll fail and be scrapped?

    No, it wouldn't be worse than it is now. Still, there's no point in getting filtering wrong, as once it's done it probably won't be touched again for decades. I don't think that it'll be scrapped even if the features I criticise are implemented, but it won't be as good as it can be. The key is to try to get the supporting residents to understand the above and get the officers to change the scheme. I'm not saying that they should leave Odessa Road as a boundary--as I said, it really doesn't have the right characteristics to be one, but it's worth looking at. In principle, it's good to filter as large an area as can be filtered, but there is that difficulty that you may later find driver behaviour leaves something to be desired because of the long distances they have to cover inside the cell.

  • The reason seems mainly because they don't want to make Odessa Road a cell boundary street.

    Odessa Road is already a rat run, wouldn't making it a boundary exacerbate the problem?

    The biggest triumph was having the Shoreditch one-way system

    I'll look into using this example in the feedback reviews

    It's strange, I've been cycling in London for so long but don't know what makes thing's better or worse, except from when it's an obvious shit show. The work is starting this month so lets see how it goes, from a selfish point of view I am looking forward to not having idiots fly past my front door anymore.

  • Odessa Road is already a rat run, wouldn't making it a boundary exacerbate the problem?

    Not necessarily. Rat-runs often function in conjunction with other side streets, i.e. someone may use Odessa Road as part of their rat-run and other streets as other parts. If the latter became unavailable, the usefulness of Odessa Road as a rat-run could also decrease. As I said, I don't know that area very well, so it's up to local knowledge to reach a verdict on that. The existing one-ways certainly suggest that more than just OR was in the past being used to rat-run before the one-ways came in (although they probably also reflect past/present rat-running parallel to Cann Hall Road).

    I'll look into using this example in the feedback reviews

    For this particular project, it's not necessarily the most appropriate, as it's a major one-way system on what became the Inner Ring Road in 2002/3. You're looking at a residential area. Also, as I said, Shoreditch is still not completely two-way and numerous problems remain. There are plenty of existing filtered areas, though, like De Beauvoir, and good and bad examples of filtering everywhere. If you want a bad example, try using Lower Clapton north of Powerscroft Road (between Lea Bridge Road, Lower Clapton Road, Powerscroft Road, and Chatsworth Road)--all the filters are at the northern, eastern, and southern edges of the cell. For a good example, use De Beauvoir with the exception of the filters at the edges, e.g. the one at the Southgate Road/Northchurch Road junction is very bad. (It's part of the reason why that junction is so hazardous.)

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