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How Is a Parking Space Different From a Toilet?

10:28 AM EDT on June 10, 2010

112238400_82425abf91.jpgDon't plan for parking spaces the way you plan for these. (Photo: Admit One via Flickr)

Here's
the analogy of the day from the Streetsblog Network: Parking spaces are
like toilets -- at least for conventional planners.

That line comes from Reinventing Urban Transport, and while it's good for a laugh, it yields several important insights on closer examination.

Paul
Barter, the blog's author, has been thinking about the parallels
between parking spaces and toilets for several months now. Here are
some of the similarities that he notes:

    1. Both are treated as an essential ancillary service that every building will need.
    2. Itis usually assumed that no fee (or a token fee at most perhaps) will becharged. Remember, we are talking about the conventional approach toparking policy here. Some jurisdictions even ban fees for suchfacilities.
    3. There is thus little direct returnon the investments. So the private sector would under-provide themunless forced to. To the rescue come regulations in the form of parkingor toilet requirements in planning or building codes.

But
as Barter goes on to argue, planning for parking the way you do for
toilets is a fundamentally flawed approach. Here's how he starts
breaking it down:

    1. It is much more difficult to predict parking demand than to predicttoilet demand (which itself is not easy). The human need to expel wastechanges little (except when beer is consumed in large quantitiesperhaps). The demand for parking can change enormously over time as carownership changes and as mode choices shift.
    2. Everyone needs toilets. Only car users need parking. (But conventional parking policy assumes that 'car users' = 'everyone'.)
    3. Parkingtakes a lot more space than toilets. Forgive me for stating the obvioushere. It is common for American suburban office parks to be required tohave as much parking space as they have floor space for other uses.Buildings in Kuala Lumpur…or Bangkok often have a third or more oftheir floors devoted to parking. Parking standards often dramaticallylimit the density that is feasible on a site.

There's
a lot more to his original post, and Barter is looking for more
insights to help develop the idea -- which he finds has been quite
useful in presentations. Head on over to his site and offer your feedback.

More from around the network: The Bicycle Coalition of Greater Philadelphia reports that the installation of 1,500 bike parking rings on old meter posts has begun. This is a stimulus-funded project. Bike Denton has the story on a $15 million grant for bike lanes in Austin, Texas. And The Transport Politic asks, whose turn is it to lead transport planning?

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