Category Archives: Development

From cities of movement to places of transaction

Summary of Tim Stonor’s talk at the World Cities Summit, Singapore, 3rd June 2014

From cities of movement to places of transaction – a new mobility focus for city leaders, planners and everyday users

Key responsibilities for cities
1. Imagining the future of cities and mobility.

2. Designing integrated, people-focused planning to sustain cities.

3. Measuring the social, economic and environmental value created by the movement, interaction and transaction of people.

The fundamental purpose of cities
Cities are for transaction: economic and social transaction. People come to cities to trade. It is why we have cities – they are intensifications of opportunities to trade. The public realm of the city – its network of streets and spaces – is where much of this trade occurs: a “transaction machine” which, like any machine, is more or less efficient depending on how it is engineered.

The contemporary problem of cities
This essential fact – the transactive function of the public realm – was debased in the twentieth century, when streets were designed as movement tubes, stripped of “transactive functionality”. Shops were moved off streets and into precincts. Streets became roads, clear ways, and urban freeways. The mantra of movement-at-all-costs pervaded the re-planning of existing cities and the planning of new ones. Little surprise then the cities failed – the movement tubes became clogged with traffic looking for places to park up and trade.

The rise of the Future City
Future cities are taking a different attitude to mobility, one that places human transaction at the core of its objectives.

The spatial layout of the city is being recognised as a powerful economic and cultural asset. Effective urban layouts create a grid of connections that benefits patterns of movement, land use, land value, public safety and community contact. Well-planned cities bring people together to form social and economic relations.

In contrast, disconnected cities pose profound risks to civic well-being, distancing people from each other and from opportunities to transact.

World Cities Summit 2014, Singapore
In sharing his perspective on future mobility, Tim Stonor describes new, scientific approaches to the measurement of urban network efficiency and future mobility, and shows how street patterns can be first analysed and then optimised through architectural and urban design to benefit transaction-focused mobility.

Using examples from throughout the world, he describes the urban planning challenges facing world cities and argues that these can be addressed through the considered design of street networks and mobility strategies.

Key features of a Future Mobility Strategy

1. Cities should be recognised, first and foremost, as “transaction machines” not “movement machines”.

2. Transaction happens at the pedestrian scale so transport needs to focus at this scale.

3. On a related note, cycling offers an attractive alternative to driving.

4. The focus of national and urban policy should therefore be on the creation of pedestrian and cycle movement strategies.

5. The ultimate purpose of these strategies should be on the creation of transaction and not only the enabling of mobility.

6. The economic benefits of transport should be measured not only, if at all, as time savings but also as creations of transaction opportunities.

7. New tools – pioneered by Tim Stonor’s organisation, Space Syntax – exist to model pedestrian and cycling movement, to rebalance professional efforts towards more sustainable mobility strategies.

8. The future test of success will be that, when people are asked to think “transport”, they think “walking and cycling” as well as “driving and riding public transport”; that when they consider mobility, they prioritise transaction over transport.

Centres and Cities

I’m sure you’re right about the link between street morphology and attractiveness to business. Centres seem to do one of three things through time. They either:

1. consolidate and grow (London, Paris)

2. move (Jeddah)

3. implode (Sunderland).

Oh, and some places:

4. never have a functioning centre (Skelmersdale, UK New Towns) because they were designed in ignorance of the importance of a) grid continuity and b) multi-scale centrality – properties measured by Space Syntax models

or

5. divide and reunite (Berlin) but we can’t blame the architects for that!

Email to Paul Swinney at the Centre for Cities

UK Spatial Infrastructure Model

Slide1

This is a model of the spatial infrastructure of Great Britain (and will soon include Northern Ireland to become a model of the United Kingdom). It allows us to zoom in and out on cities, towns and villages as well as the connections between them. It also lets us understand the hierarchy of connections at different scales – which routes are more important at a local, pedestrian scale and which are more important at a cross-country, car scale. More important routes are coloured red, then orange and green to less well connected routes in blue. Continue reading

Spatial Layout as Critical Infrastructure

Stub…notes for an upcoming conference talk

Key issue to be addressed:

- Urban-Rural development

- Urban Regeneration

- Smart Cities.

When a network of streets is laid out, planners and designers build in an enormous amount of “embedded potential”:

  • the pattern of movement
  • land use potential
  • safety
  • land value
  • social interaction
  • public health
  • carbon emissions.

The design of the street network has a fundamental and measurable influence on each of the above.

Later changes – to land use pattern or to the local design of streets (eg road widening or narrowing, adding cycle lanes or public transport) – can enhance or even diminish these potentials, but such later changes always occur around a benchmark that is set by spatial configuration decisions.

Buildings come and go – are built and demolished – but the spatial network, once laid out, is harder to adjust.

Exceptional new connections – such as bridges – can be built to connect disconnected networks but grids are resilient to change. Therefore, putting the wrong grid into an urban development can be a pathological move, setting the socio-economic potential of places for generations to come.

How do we know this?

The evidence-base: post-war housing estates; UK New Towns. Places that go wrong within a generation, if that – sometimes within a few years. Car-dominant transport planning. Land use zoning.

Risk of failed UK models.

In finding a balance between the tension of urban and rural development, Chinese towns and cities should learn from China first:

- mixed use planning: marginal separation by linear integration.

- mixed mode planning: roads, streets, lanes, canals: Jiading.

- mixed character planning.

What are the Spatial Layout requirements?

The historic Chinese grid: rectilinear hierarchy.

Pervasive centrality.

A smart street-grid.

To be developed…

Spatial Planning and the Future of Cities

How might cities be planned in the future?

This is not only a question of how they might look but also, and more importantly, about how they might be laid out as patterns of buildings and spatial connections.

Laying out a city means answering two key questions: “what goes where?” and the “how does it all connect together?” The answers to these questions have fundamental implications for the social, economic and environmental performance of urban places. And the jury is out as to which is the best way to do so: to use spatial planning to create place.

The global urban risk is that architects and planners have created, and continue to create, highly unsustainable city layouts – car dependent, socially divisive, congested and life-suppressing. And, it would seem, the more technologically advanced cities have become, the less efficiently they have worked.

By contrast, the street-based, continuously connected grid – the kind of layout that the slow, incremental evolution of cities produced before the intervention of modernism – has largely fallen out of fashion.

My argument in this piece is that the continuously connected grid is the only form of urban layout that can deliver sufficient social, economic and environmental value. The only kind of grid that is truly sustainable. Continue reading

Smart City Planning & Design Principles

Smart Cities are smart in two ways. First, they harness technologies to improve the way that urban places are led and managed. Second, they create better outcomes for the people that use them. This two-pronged approach applies to all aspects of Smart Cities.

When it comes to the planning and design of Smart Cities, technology can improve:

1. the performance of the places that are produced by planning and design (the outcomes)

2. the processes involved in creating plans and designs (the inputs).

A Smart City approach should direct the capabilities of urban planners and designers to:

1. facilitate effective human transaction in new and existing places

2. provide access to places of transaction, both physical and digital: on-land and on-line

3. support the mobility required to access these places of transaction by providing networks of connectivity for all modes of transport, both physical (walking cycling rolling driving) and digital

4. take an outcomes-oriented (ie transactions & emissions) approach first and foremost, aware of the inputs required (ie materials, energy & mobility) to achieve these desired objectives

5. provide effective analytic and forecasting tools aimed at social economic and environmental impacts.

UrbanRural: one system, many tensions

Notes from a meeting with the Beijing Institute of Agriculture and Forestry at Space Syntax London, 18th September 2013.

Common themes
Production
The rural landscape is a place of production. So is the city: production of goods and production of ideas.

Protection
Protection of natural assets in the rural landscape. Protection of historic buildings in the city. Avoidance of pollution in both. Protection of water courses – natural and artificial in both.

Waste
Avoidance of waste in both urban and rural settings. The rural landscape as the wastebasket of the urban landscape. Tension.

Movement
Conflicts in the rural landscape between local movement (agricultural productivity) and urban-rural movement (commuting). Tension. Continue reading

How HS2 should learn from HS1′s urban errors?

St Pancras Way will one day have active frontages, costing millions more than the initial HS1 investment. The blank frontages and negative street character that were originally built will eventually be transformed to create a place that London deserves. In the meantime, people walk through the loading bay, across the security barrier, past the blank walls.

This is the lesson of cities – they fix their problems. But only after money has been spent needlessly. It is a mistake that  HS2 must avoid:

St Pancras north Continue reading

Integrated Urban Modelling – Space Syntax’s approach

I’ve written before about the benefits of using science-based models in the planning and design process. I’ve raised concerns about the frequent lack of objective analysis in urban and building projects, and the risks this creates in decision-taking. Basing important decisions on gut instinct and experience, then willing on success with little more than hype, just isn’t good enough.

Integrated Urban Model

Here is a diagram that summarises Space Syntax’s approach to urban modelling. It’s a staged process: collecting datasets; analysing them to identify relationships between urban form and urban performance; drawing out key issues and developing creative ideas – all the time using the model to test proposals. The approach is transparent and communicative – helping stakeholders participate in the process and, most importantly, helping people take decisions that lead to actions and changed behaviours.

It’s more than a pipedream – we’ve been using the model on projects for over 25 years, evolving it through continuous application. And we’ll continue to do so, adapting to the ever richer data context that digital urbanism provides.

And always remembering that the ultimate objective is the creation of behaviour change to the benefit of human wealth, health and education.

Download the presentation

Unbuilt Britain: 3. A Revolution in the City

Broadcast 26th August 2013 on BBC4, featuring Space Syntax analysis of Wren, Hook & Evelyn’s plans for rebuilding the City of London after the Great Fire of 1666.

IMG_0110
Tim Stonor, Kathryn Ross, Olivia Horsfall Turner and the crew from Timeline Films

Link to the programme on the BBC website

Link to the programme on YouTube

Download a presentation of Space Syntax’s analysis

“Using her skills to uncover long-forgotten and abandoned plans, architectural investigator Dr Olivia Horsfall Turner explores the fascinating and dramatic stories behind some of the grandest designs that were never built.

Destruction, whether intentional or circumstantial, often creates a clean slate and demands a fresh outlook in which we come to think the unthinkable. This programme looks at bold, and in some cases shocking, plans to make revolutionary changes to Britain’s biggest cities. Continue reading

Darwin CBD – Workshop 1 – Transcript of Tim Stonor’s presentation

Given by audio link to Darwin CBD Masterplan Workshop 1 on 21st August 2013.
Download the presentation, including voiceover

“Good afternoon, everybody.

My name is Tim Stonor. I’m the Managing Director of Space Syntax and unfortunately I’m not able to join you for the workshop today. But my colleague Eime Tobari is with you and will be able to address any questions you may have at the end of this presentation. I did though have the pleasure of being in Darwin a couple of months ago and had the chance then to meet colleagues and discuss some of the issues facing the future of the city.

Today, I want to give you a presentation about the Spatial System of the city – it’s route network, its streets, its pedestrian pathways – and how these can work to improve the movement of people across the city; the bringing together of people in space to trade socially and economically. And I want to show you the work that Space Syntax has done to date in analysing the strength currently of spatial connections in the city and then analysing some opportunities for future growth.

But I want to start by looking at some issues that face all cities worldwide, and especially the issue of the private car and its place alongside other modes of transport, namely public transport and walking. Many cities worldwide have got the balance wrong and they have over-provided for private transport and under-provided for those other modes to their cost. Continue reading

Avoid “blunt” urbanism by prioritising constraint

The high density versus low density debate is a blunt, catch-all discussion, which tends to divide opinion and create conflict. We need instead to find the issues that bring people together. My experience is that these tend to be about:

- convenience
- safety
- sense of community and cultural identity
- sense of privacy and individualism
- access to urban amenities: work, school, shops
- access to nature.

There are apparent contradictions here, yet urban settlements handle multiple needs if they are laid out to be, first and foremost, accessible to all users. This comes down to the design of connections at every scale, from motorways to footpaths. It also requires a degree of constraint: you shouldn’t be able to drive through the middle of town at top speed but nor should you walk on the highway. Continue reading

Teaching urban design – a sketch for a new approach

Sketch…
Space Syntax is keen to play a role in initiatives that embed the Space Syntax approach in everyday urban practice. The watchword is “dissemination”. Our aim is to create a professional landscape that uses Space Syntax as an everyday approach to the planning, designing and general governance of places.

Here are some of my thoughts about the potential structure of an urban design course, which are largely about using this as an opportunity to break down many of the barriers that conventionally get in the way of good urban design:

1. combine art and science: especially the importance of a science-informed approach to urban design, which is often missing

2. combine creative and analytic/disciplines: bring together designers and analysts in an intellectual cocktail

3. combine design, planning, infrastructure engineering, finance, governance, legals

4. put the human being at the heart of it all Continue reading

Smart cities – why, what, how, how?

Some advice for people promoting a Smart City approach. Prepare your answers to the following questions:

1.      Why do we need “smart” and do we even need cities any more?

First, provide a clear and simple explanation of why cities are important ie what they do that is special: they arrange physical buildings within spatial networks to create intensifications of opportunities for people to interact and transact, socially and economically. Acknowledge the interdependencies between cities, towns and villages but emphasise the primacy of cities.

Second, explain how this process is facilitated by the propinquity and connectivity that cities offer – traditionally physical connectivity and, increasingly, digital.

Third, describe the threats to the efficiency of cities: gradual, sprawling growth; over-reliance on private cars.

Fourth, describe the consequences of inefficiency: economic inefficiency, social isolation, unhealthy living, short-term investment, environmental degradation.

Fifth, speculate on the further risks associated with a “same as usual” approach. Continue reading

HS2 – urban connectivity is key to maximising economic impact

This morning’s announcement by the UK government about the preferred route of the proposed ‘High Speed 2’ rail line north of Birmingham raises, quite rightly, the issue of economic impact and its geographic spread. Will the line draw commerce north, or make it even easier to pull southwards towards London’s greater critical mass?

One way in to the problem is to ask: who will take these trains, or rather: where will they have come from when they get on and where will they be going once they get off? In other words, to consider the total passenger journey.

History tells us through the footprint of human settlement worldwide that economic production is greatest in urban centres. The planet’s continued growth towards cities, despite all recent developments in mobile and online communications, suggests the trend is here to stay. HS2 should bear this urban imperative in mind. Continue reading

Are streets the answer – yes, but…

Yesterday’s launch by think tank Policy Exchange of a report calling for the removal of inner-city high rise estates and their replacement with streets is a welcome contribution to discussions about the design of future cities. The report, authored by Create Streets, concludes that high rise estates are unsafe, antisocial and economically substandard. By proposing to replace estates with streets, the authors claim they are responding to residents’ concerns. They also say that well designed streets can provide just as much housing as sprawling estates.

The argument for street-based living appears to be straightforward: people like streets and they deliver economically. Yet it isn’t as simple as this and the report quite rightly references research by Savills, Space Syntax and the Brookings Institute that shows the importance of street layout. There are better, well-connected, well used streets and less good, disconnected, poorly used streets. Continue reading

Old Street – putting the genie back in the bottle?

photo

Old Street Roundabout is a heady intersection of urban movement flows: on foot, on cycles and in vehicles, including the Tube. But it is currently a mess, out of place within the surrounding network of generally convivial streets. In order to appreciate the severely negative condition of the place you only have to walk to Old Street Roundabout from a few hundred metres in any direction to witness the sudden, dramatic degradation of public space, the increase in traffic speeds and the disappearance of pedestrians into subways.

Yet, as a nexus of movement, the Old Street junction has the urban design foundations – the DNA of urbanism – to be a great public space, serving the local area as well as acting as a global emblem of Tech City. Not a valley, glen or vale but a truly urban object: a forum, a plaza, a piazza, a market place a square: Old Street Square. Or even, in keeping with the open source/open access aspirations of many in the technology community: Old Street Commons. For this to happen, the public realm of the Old Street junction needs to be overhauled. Radically. Continue reading

A short film about Space Syntax

Tim Stonor, Managing Director, Space Syntax
“The population of the world is increasing and, as it increases, more and more of us are living in cities. As cities have grown in the 20th century they have often grown to disconnect people.

Space Syntax has discovered that many of these problems in cities – disconnection, lack of contact between people, lack of access to jobs – come down to the way in which the city is planned as a layout of space.”

Ronan Faherty, Commercial Director, Land Securities
“As a developer, the most important thing for us is understanding the consumer and anything that assesses the consumer and helps us understand them provides real value. When you’re putting down a new property into an existing space we want to understand where consumers are coming from and then how they should engage with the property: where we should put escalation and movement and flows. Continue reading