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Urban Design Issues
Milton Keynes, Thomas Smith-Keary, 14045700
"How can retrofitted transport infrastructre create innovative & vibrant social spaces for people that impacts positevley on local identity?"
Social Space
Introduction
This section is a preliminary literature review exploring the readings about why we need social spaces and what they actually are, as opposed to the actual literature review which considers how to go about creating one
Defining a Social Space
To paraphrase from Carmona et al (2010), there are two types or "realms" of space, movement space and social space e.g. "space for people to engage in various forms of exhange - economic, social and cultural"
The easiest way to visualise this is between a street and a road, a road is simply a means of transportation along its length from A to B, a movement space. A street however is a 3d dimensional space between lines of buildings which are both movement and social spaces where people socialise, relax and exhange in commerce.
The Demise of Social Space
An issue has arisen with the growth of the automobile during the 20th century, where automobiles use of space is one of pure circulation has resulted in the supression of a streets social aspects, and streets became roads as a means of allowing faster movement of vehicles between destinations. Traditionally these two forms of space have coexisted with oneather when the alternative means of travel was by horse and cart and the spaces overlapped considerably but new modes of land based travel have accentuated the divide between pedestrians and vehicular travel.
Furthermore roads divide and fragment space and entire districts of cities. Releveant to this issues is the creation of two forms of space.
Firstly lost space, e.g. the spaces in between uses that no-one cares about and don't really belong to anyone, Carmona argues that the creation of these spaces lies squarely with the car, privatisation of public space and seperation of uses and users. These spaces include car parks, edges of main roads and bases of high-rise towers and many more (Carmona, 2010)
The second is invaded space, this is best example of univeral derision of space, as Gehl argued is where car traffic has gained the upper hand, public space has inevitably changed dramatically with traffic and parking gradually usurping pedestrian space in streets and squares...it doesn’t take long to impoverish city life. Essentially any space left to the pedestrian is still dominated by traffic and the social element of social space is consumed. A further problem caused by this is how it breeds a range of almost exclusivley car orientated environments, where public space simply doesn't exist in traditional form, rather it becomes a series of disjointed car parks connected by roads where all uses have been designed for the car, even pavements dissapear with a pedestrian having to walk through car parks and quiet roads feeling like an intruder. That is not to say though that this environment is all concrete and tarmac though, a place may be physically very green designed to be pretty but these are designed to be viewed from a car window and not designed to be viewed up close by pedestrians.
Returning Spaces to People
To quote Jane Jacobs (1961) "Streets and their sidewalks, the main public places of a city, are its most vital organs. Think of a city and what comes to mind? Its streets. If a city’s streets look interesting, the city looks interesting"
This statement was made over 50 years ago and is just as relevant as it is today, cities, as Kevin Lynch reminds are made up of and remembered by humans as a series of paths and edges joined together by nodes. A street may vary considerbly in terms of use, size, character and scale but they all share fundamentally the same principles of how people use the space as argued by Jan Gehl repeatedly, these can be expressed as the following, as seen visually in fig



Necessary activities: Generally unavoidable activities e.g. going to school/work, shopping, waiting for a bus, running errands. They are generally related to going somewhere. Their inci-dence is far less influenced by the physical form of streets.
Optional activities: Pursuits that are participated in if there is a wish to do so and time and space make it possible e.g. taking a walk for its own sake, sitting down and watching the world go by. These activities can only take place when exterior conditions are optimal, the higher the quality of urban form, the more likely people will participate.
Social/resultant activities: Depend on the presence of others in public space – children at play, greetings and conversa-tions, passive contacts with other people. They are ‘resultant’ as they nearly always develop in conjunction with the other two categories.’
These uses are determined by the environment that they are in, this can be decided by a number of factors but as Moughtin (2003) argues
"activity in streets increases when densities are high enough to inhibit the use of the motor car and to support a range of facilities such as shops and schools which are within walking distance."
Essentially street activity occurs when it is convienent for people to use a street in a variety of uses.This is continued by Gehl (2010) who suggests that density is vital for socially successful and active streets
"It is widely believed that the lively city needs high building density and large concentrations of dwellings and workplaces."
For inviting and well designed social spaces to work you need a critical mass of people to occupy them, high density then is arguably an integral form of what consitutes a social space provided it is used in the right way to an areas context.


fig 9, lost space under a road bridge (Carmona, 2010)
fig 10, invaded space, "protection from cars" (Carmona, 2010)
fig 11, invaded space, signs serving motorists occupt the pedestrian realm (Carmona, 2010)
fig 12, summary diagram of legibilty (Bentley et al, 1980)
fig 13, The use of public space resonds to its quality (Gehl, 2010)
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