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KLevinson's avatar

Fabulous article. Trying to protect views from high speed roads and highways is ridiculous, and honestly, probably all the CVCs are pointless. But the highway ones are the most absurd, and definitely need to go.

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Andrew Burleson's avatar

It’s interesting. I’m not a big fan of the CVCs and I agree that prioritizing views from the highway isn’t ideal.

At the same time I’m more ambivalent about height limits in general. One of the problems that makes it really hard to develop good urban infill is that the absolute maximum potential development is already priced into the land. So, ironically, even where there are no limits, the financial ambition of the surface parking lot owner ends up being the hardest limit of all. (I wrote about this earlier this year: https://postsuburban.substack.com/p/the-case-for-incrementalism)

I think the ideal — but not current practice anywhere that I know of — would be to have a general height limit tapering out from the city center but automatically increasing over time, either on a timeline or when some development milestones are hit. The reason is, that would actually suppress the value of the land in the short term, so that you could redevelop more of it from surface parking or single story buildings, to lots of 3-5 story buildings, creating a complete neighborhood. Instead what happens is you go from a big sea of surface parking to one skyscraper and a big sea of surface parking, leaving the overall area underdeveloped for much longer.

Of course in reality we almost always over-restrict development so I’d rather have no limits than harmful limits. But it’s tough because the global optimum for the city economy is for “thicker” development spread more evenly over a larger area, but there’s a lot of friction working against that outcome that’s not easy to circumvent.

I think this is where land value tax could be so helpful, again in the ideal world where we get these things, to apply financial pressure to act against speculative holdouts.

Meanwhile assuming this massive I-35 redo goes forward and takes those CVCs with it, will the increase in development be credited to the freeway expansion or the removal of the height limits? :)

Good article, lots of food for thought!

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