Jeff Speck: 4 ways to make a city more walkable
傑夫·斯佩克: 使城市更適合步行的四種方法
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所謂適宜步行的城市
about the walkable city.
is an optional instrument of freedom,
why we need the walkable city,
為什麼我們需要一個適宜步行的城市
how to do the walkable city.
要怎麼做才能有一個適宜步行的城市
are about why we need it,
都是關於為什麼我們需要它?
exactly a month ago,
about how to do it.
the general theory of walkability.
我稱之為,適宜步行的一般性理論
it's a little tongue-in-cheek,
I've thought about for a long time,
what I think I've figured out.
the typical American city --
is not Washington, DC,
Rapids or Memphis --
in which most people own cars
大部分的人們都擁有汽車
is to drive them all the time,
then you have to offer a walk
那麼你必須提供一個和開車一樣
four things simultaneously:
of these things simultaneously,
is a story I learned from my mentors,
和伊麗莎白.普拉特.茲伊貝克
and half of my talk today
今天的演講內容和投影片
of the planning profession.
people were choking
the housing away from the mills.
嘿,我們把住宅搬離這地方吧
immediately, dramatically,
that experience ever since.
of what we call Euclidian zoning,
歐幾里德分區制的開始
into large areas of single use.
in a city to do a plan,
on the property that I'm looking at.
near anything else.
is our most walkable city,
當然就是我們最為重視的理念
this is a Rothko,
he was the pointilist --
is a bit misleading
is uses that are mixed vertically.
of the New Urbanists --
are only two ways
in the world and throughout history.
of Newburyport, Massachusetts,
紐伯里波特這城市裡的一些鄰里社區
and being diverse --
recreate, get educated --
休閒、受教育
after the Second World War,
and it's not walkable,
不適於步行
become overburdened,
the aerial photographer,
that I'm showing you today.
讓我今天向大家展示
into its constituent parts.
變成為不同的組成部分是有趣的事
the places where you only work,
一個你只能工作的地方
and further from each other.
of the parking lot
has ever walked to this school,
the freshmen and the sophomores,
the crash statistics to prove it.
of our other civic institutions
in the Ft. Lauderdale area
and eight baseball diamonds
that takes you to that location,
the soccer mom now.
because it was in my neighborhood.
that everyone forgot to count:
大家都忘記了
from everything else
only with automotive infrastructure,
begins to look like.
你就不能始以城市擴散
you can't start with the sprawl model.
of that form of design,
that a lot of Americans want.
it's a two-part American dream.
它是美國人夢想的二部分
often to absurd extremes,
to accommodate cars first.
優先考慮的是汽車
of being in these places --
can be a bit of a nuisance,
can be a bit of a nuisance
have been showing for some time now,
流行病學家已展示了一段時間了
where you drive to the parking lot
我們開車、停車
of the New Urbanism now
新城市主義的主要文件之一
neighborhood contain the same things.
與傳統的鄰里社區擁有相同之處
rather than a cul-de-sac
of being walkable,
in America's cities
we want the proper balance of uses.
我們需要恰當的平衡使用
in which most Americans live,
you bring housing back,
among those things.
that shows up last and eventually
get older, have kids
然後變老,有了孩子
get pretty good eventually.
walkable neighborhood without it.
完美步行鄰里社區
require transit,
to the whole city as a pedestrian,
around your needs,
and the parking lots get bigger
every transit trip,
walkability around our transit stations.
建造圍繞運輸站的可步行性
is the safe walk.
就是安全步行
experts talk about.
to get people to walk.
並不能讓人們行走
that add up to a walkable city.
famously walkable.
著名的適於步行
it's almost like two different planets,
就像完全不同的星球
you have a 200-foot block city,
is a six-lane city, and that's a problem.
6 線車道的城市,這是問題
of 24 California cities --
the number of fatal accidents
what I tell every audience I meet,
about induced demand.
both to highways and to city streets.
也適用市區街道
that when we widen the streets
that we're anticipating,
that we're anticipating
it is principally that congestion
that are ready to happen.
about when they commute,
very quickly with traffic,
and they fill up again.
in congested systems,
hardly an esoteric publication:
並不深奧的出版物:
usually makes traffic worse."
may I please meet some of these engineers,
我能見那些工程師嗎?
that I'm working with now --
那種市政府工程師,
one typically meets working in a city,
我們需要拓寬。」
is too crowded, we need to add a lane."
we needed that lane."
「看吧,我早說過我們需要拓寬。」
and to city streets if they're congested.
如果它們擁塞。
about most American cities that I work in,
that are actually oversized
they're currently experiencing.
to me, very upset,
in Prevention Magazine
in the entire country.
to make a mayor do something about it.
at the car counts on the street --
can handle 10,000 cars per day.
每天只能容納一萬輛車。
they're all near or under 10,000 cars,
它們大都接近或少於一萬輛
that were designated
between the number of lanes
that wanted to use them.
有很大的誤差
every street in the downtown
市中心的每一條路
under construction,
you find room for medians.
of on-street parking.
where one didn't exist before.
that Oklahoma City has,
economy that's doing quite well.
like Cedar Rapids,
system, half one-way system.
it's in process right now,
system, half one-way
70 percent more on-street parking,
robust bicycle network.
How wide are they?
such that, as Andrés Duany says,
to a subdivision in America
the curvature of the Earth.
outside of Washington from the 1960s.
at the width of the streets.
to such a degree
that wasn't draining properly,
and take away half our sidewalk,
but the citizens know it,
they fight for narrower streets.
in its residential neighborhood.
in his project I'On,
his amazing 22-foot roads.
very narrow rights of way,
that leads to destruction ...
are the current revolution underway
but the one thing I can say
is a function of bicycle infrastructure.
from Nelson\Nygaard in Portland
of the Portland bike commute.
"Was that bike to work day?"
money on bicycle infrastructure --
of bikers in it several times now
like Long Beach, California:
based on the infrastructure.
here in Washington, DC --
new bike lanes in Chicago,
pulled off the curb,
cars and the curb --
every lane is a bike lane,
that I met in Pasadena, so ...
from moving vehicles.
one side of the street, you can park,
slow cars down.
are next to the road,
they slow down very quickly.
the curb return radius.
how fast the car goes
is objective journalism.
is not inviting to pedestrians."
of the landscape is swoopy,
can be allowed to set the stage.
of the hundred-year storm,
has to mount the curb every day.
has to do with the fact
prospect and refuge.
that our flanks are covered.
that have good edges,
people won't want to be there.
of height to width?
you're not very comfortable anymore.
can be perfectly delightful.
is the principal problem here.
can be issues as well,
because of an outdated zoning code,
in your neighborhood.
I couldn't build on that site.
is now changing its zoning
to become sites like this.
can be interesting to build,
people generally like it.
than other people.
it's a great thing.
a very walkable city,
best hotels together,
you have an exposed parking deck,
you have a conference facility
in admiration for that parking deck,
Mayor of Charleston, South Carolina,
25 feet of building
It's in South Beach.
它在南海灘。
that I love to show.
It's in Columbus, Ohio.
neighborhood, full of pedestrians.
neighborhood -- ethnic,
great shops, struggling.
because this was the bridge,
from the convention center
they added an extra 80 feet to the bridge.
over the highway.
has come back to life.
not the planning magazines,
it's because of that bridge.
theory of walkability.
have most of them
in those places.
ABOUT THE SPEAKER
Jeff Speck - Urban plannerJeff Speck is a city planner and the author of "Walkable City."
Why you should listen
Jeff Speck is a city planner and architectural designer who, through writing, lectures, and built work, advocates internationally for more walkable cities.
As Director of Design at the National Endowment for the Arts from 2003 through 2007, he oversaw the Mayors' Institute on City Design and created the Governors' Institute on Community Design, a federal program that helps state governors fight suburban sprawl. Prior to joining the Endowment, Speck spent ten years as Director of Town Planning at Duany Plater-Zyberk and Co., a leading practitioner of the New Urbanism, where he led or managed more than forty of the firm's projects.
Speck is the co-author of Suburban Nation: The Rise of Sprawl and the Decline of the American Dream as well as The Smart Growth Manual. His latest book, Walkable City -- which Christian Science Monitor calls "timely and important, a delightful, insightful, irreverent work" -- has been the best-selling city-planning title of this decade.
Jeff Speck | Speaker | TED.com