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Zones and sectors tend to distort from circles into star shapes, with extensions occurring along
major roads and railways. However important time oftravel may be to the commuter, it has
even greater importance for industry. Factories are much more reliable to locate near main
lines of communication than in the relatively inaccessible areas between. Inevitably,
therefore a pattern of sectors forms, with industry occupying positions near route-ways. In
such positions firms minimize the time taken in reaching both other parts ofthe same city and
distant cities; the distance between factories is also at a minimum. This becomes especially
important for those factories that supply others with components (ones that have a high degree
of linkage). As industry tends to become clustered, so other functions likewise concentrate
into sectors or wedges. Each sector can be expected to grow outwards by 'welding on'
related functions. For example, once a housing sector has become established as high-class,
sites adjacent to the established area will become expensive as builders ofnew houses attempt
to capitalise on its reputation. Hoyt's sector model structure is dynamic; as the city expands,
so the sectors also will expand, outwards. There are thus some similarities between the
concentric and sector models; although functions may segregate into sectors, each sector
grows outward, so the pattern of age of the buildings is concentric (Knapp, 1986;
www.dknet.lineone.netJreference/encyclopaedia/hutchinson, 2008).
In a nutshell, the Hoyt's model modified that of Burgess following the development ofpublic
transport. His model suggests that transport and physical features were important, with
industrial areas developing outwards in sectors along main transport routes (roads, rivers and
canals) and housing growing up around these [www.geobytesgcse.blogspot.com. (2007)].
Cambridge is a good example of a city with distinct urban land use zones. The city dates
back to Roman times and has steadily grown up as an important trading centre and an
important University town. The coming of the railways in 1845 was one of the most
important developments in the growth of Cambridge. In the 20 th Century, the population
grew even faster and houses were built along the main roads which converged on Cambridge.
This is known as ribbon development [http://www.uncc.edu, (2007)].
The similarities and parallels to be drawn from the sector model, are whether there is any link
with a place such as Ulundi, the study area. This study seeks to provide an opportunity to
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