Thursday, November 18, 2010

Require "potential parking" rather than parking itself?

Thursday, November 18, 2010

Does abolishing minimum parking requirements (as Donald Shoup suggests) sound too radical? Is there a low-risk alternative?

Maybe local governments don't really need to require parking itself. Maybe they could simply require POTENTIAL parking?

I am imagining a municipality that still wants to make sure parking supply meets demand and wants to avoid the risk that the parking associated with a new development spills beyond its parking lot into the streets or into neighboring lots.

I can imagine a conservative version of this idea, in which a city allows developers to have less parking than the current minimum but the city reserves the right to later (and at short notice) require that the on-site parking supply be increased (up to the current minimum for example) if there is evidence of any serious spillover. Such a policy would allow developers to start with modest parking supply but they would have a strong incentive to design their sites in ways that allow parking to be easily expanded.

A more ambitious and reformist version could simply require that the site have a certain amount of 'potential parking' (space which could be 'easily' converted to parking space) but then leave it to building managers whether they ever actually do any such conversion. This would be closer to a Shoupista-style deregulation and abolition of parking requirements, except that the risk of getting locked into a serious shortage is reduced. Of course, we would need to define what we mean by 'easily' converted.

This is not a new idea, by the way.

It seems to be an old one which has been forgotten. The suggestion to require convertible space rather than parking itself was apparently first made by a young Gabriel Roth in his 1965 Hobart Paper, Paying for Parking.  Roth's paper should be downloadble via VTPI - go to the bibliography at the bottom. However, I can't get the link to work right now so maybe it is broken.

I think the idea deserves more attention and debate. 

Does it sound feasible to you? Could a suburban municipality be open to requiring potential parking instead of requiring parking itself? If anyone knows of any analysis of this proposal or something similar I would love to hear about it.

I also wonder why Roth's original suggestion was ignored? (or did I just fail to find the debate?) Was it because his publisher was a right-wing voice in the wilderness at the time?
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4 comments :

  1. this kind of policy is actually implemented in Vauban, Freiburg.

    http://www.streetsblog.org/2010/03/23/smart-parking-policy-makes-a-difference-even-in-livable-streets-utopias/

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  2. Thanks ville-nouvelle.net for the tip on Vauban. The relevant paragraph in the Streetsblog article is: "Over in Vauban, committed local activists fought to reduce the amount of parking, over the objections of a skeptical city and risk-averse banks. The eventual compromise required all residents to pay for the land that their parking space would occupy, but gave car-free households the option of giving it to a land bank instead of using it for parking. The households who opted out of parking now use that land for barbecues and soccer games. They also didn't have to pay for parking construction, saving 13,300 Euros on the price of their houses. In addition, on-street parking in Vauban is scarce and metered."

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  3. Some more examples of this kind of thing are also mentioned in a newer post: http://www.reinventingparking.org/2010/11/parking-basics-contingency-based.html

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  4. What I see here in Brazil is the overcrowding of parking lots in buildings. Cramping cars together in old lots where fewer car could park.

    It is done in buildings and in payed per use parking lots where people leave their car keys and the lot gets really crowded.

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