[Gllug] [OT] Times Article on ABD was Fighting a virus

[Jason Clifford]

On Tue, 20 Feb 2007, John G Walker wrote:

> > Among *many* other factors, yes. Besides, if you're expecting to draw
> > a statistically significant conclusion from two data points, I have a
> > bridge I'd like to sell you...
> 
> No, I'm identifying the point at which a quantitative qualitative change
> occurred. Essential diagnostic technique,

Or a blip in your insuffucient data.

What was the jouney time on the previous Monday - Mondays are never the 
same as Fridays on any busy road route - and the several previous Mondays? 
What was the journey time on a similar subsequent number of Mondays after 
the change?

Were there other factors? Yes - as has been pointed out school holidays 
co-incided and they always have a massive effect reducing traffic volume.

What other factors were being employed? Were there any changes to traffic 
signaling for example?

TfL have readily admitted that the effect of the introduction of the 
congestion charge zone reduced over time. This would seem to indicate that 
it is not a sustainable way of managing the issue. The traffic still has 
to get through.

Jason
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