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Traffic Jams Analysis Using: Case study Khartoum, Sudan


2. METERIAL AND METHODOLOGY
GIS software system which specialized to fit certain types of decision making in this study is ARCGIS version 9 which used in a wide number of applications. The GIS developers are often encouraged to adopt a data-centered approach. So the data about roads situation (traffic flow) was carried out including a survey of the different jam’s points and collected the numbers and types of private cars. Also we obtained the map of the study area. In next step the map and the data interred in the software to produce the database which help in the quires.


Figure (3) The spatial data of the traffic jams
(Include the points, roads and the coordinates)



Figure (4) The attributes data of the traffic jams
(Include the numbers of the vehicles, types and the time)


To make the analysis of this data we divide the time during the moving day to intervals. Start by stopping the lorry at the first interval time from 6 to 9 Am we can decries the traffic jam between 8.5% in the entire point to Khartoum and near to its centre, to 1.7% far from the centre.

Producing new type of transportation like using the train from Omdurman to Khartoum will decrease the jam by 50% spatially from those home come from Omdurman and want to go not to Khartoum centre.

Most of the public services are found in central of Khartoum, this cause high population intensity. By replacing most of these public services to the Khartoum North or Omdurman also will decrease this high population intensity of cars.

3. CONCLUTION
Traffic condition in Sudan has detonated rapidly in the recent years especially in the centre of Khartoum. To solve this problem by building new roads or by increase the current roads network is difficult, therefore, using new transportation by helping of the Sudan facility like the Neil River to make communication between the three cities or by using policy to reduce the privet cars. And for the future of the open area first the policy makers should design their roads, needs and then take other public services to make their policy and at the last let the housing builder to do their job.

REFRENCES
  1. Muna Muhallab Taha, Stockholm 2001, The Potential Role of GIS in the Development and Applications of Urban Indicators, Division of Land and Water Resources, Royal Institute of Technology (KTH),Stockholm, Sweden.
  2. Papacostas, C.S 1990, Fundamental of transportation engineering, Prentice Hall of India private limited New Ddlhi-110001.
  3. Tor Bernhardsen, Asplan Viak, Arendal, Norway, TGeographic Information Systems, an Introduction, Second Edition, May 1992.
  4. Yeh, A. 1999,Urban planning and GIS, in longely, P., M. Goodchild, D. Maguire, and D. Rhind(eds.) 1999, Geographical Information System, Vol.2, John Wiley&Sons, inc., New York,PP.877-888.
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