Re: Congestion as a good thing

Ian, check out our New York colleagues' wiki page on the concept of induced
demand. I'm not sure there's anything there to directly answer your question
about whether congestion pricing will increase traffic by increasing road
space (I'm not sure you could find any transport professional willing to
make that argument!), but you'll find some good arguments against your
motorway tunnel.

http://www.openplans.org/projects/roadcapacity/project-home

Elly

On Sun, Sep 7, 2008 at 10:33 AM, Pascal van den Noort <
[email protected]> wrote:

> Amsterdam does not have congestion charging, but it has successfully
> reduced traffic to and in the inner city by implementing three measures,
> preceded by a referendum early nineties.Introduction of ever increasing
> parking rates, approaching € 5 per hour now; reducing the number of parking
> places; introducing lots of one way streets. The results are very good.
> If desired figures can be produced by the city.
>
>
> Pascal J.W. van den Noort
> Executive Director Velo Mondial
>
> http://velomondial.blogspot.com
> www.velomondial.net
> www.velo.info
> http://spicycles.velo.info
> [email protected]
>
> +31206270675 landline
> +31627055688 mobile phone
>
>
>
>
>
>
>
>
>
>
> On Sep 7, 2008, at 5:28 PM, Ian Fiddies wrote:
>
> Hi All!
> As if I didn't have enough to do my local council in Gothenburg has
> decided to build an new motorway tunnel under the river. I naturally feel
> that this is a bad move but it comes as no surprise and has been hovering in
> the air since about a year after they finished present motorway tunnel under
> the river. I intend to do everything in my power to stop the project.
>
> For some time now I have been pondering over a theory that congestion is
> the only true limiting factor in unregulated traffic. It is based on one of
> my fears about congestion charging. Simply applying a charge to drive at
> certain times of the day will initially reduce the congestion but this
> relief will soon be eaten up by the financially stronger drivers driving
> more. In London the charge has been accompanied by other measures reducing
> the amount of road space allocated to cars mainly to the advantage of bus
> lanes. (Good stuff Ken.) But it doesn't help me to prove my theory.
>
> Has anyone been thinking along similar lines or know of someone who has?
> This idea seems so obvious that someone else must have already done research
> on it. Ideally it would be best with empirical data from a city that has
> used road space as a limiting factor to reduce traffic. If a new road always
> generates more traffic the opposite intuitively seems true. Taking away a
> lane will reduce traffic. Help me prove this please.
>
> /Ian Fiddies
>
> Skype- ianfiddies
>
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>

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