Public transport quality?! : assessing local public transport in Dar es Salaam, Tanzania

Fikse, K.N. (2008) Public transport quality?! : assessing local public transport in Dar es Salaam, Tanzania.

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Abstract:Dar es Salaam, the largest city in Tanzania, has all the traffic and transport problems that are common in developing cities. In order to reduce congestion and air pollution and improve the quality of public transport, Dar es Salaam City Council decided to implement a new high quality Bus Rapid Transit system. However, at this time there is very little knowledge about the current public transport system and the effects that the proposed Dar es Salaam Rapid Transit (DART) will have on the attributes that describe the trips that people make. It is suggested that the only way a public transport system can work efficient, is by having full knowledge about the system. This research therefore aims at providing a network based database that can store vital information about Dar es Salaam’s public transport system. First an inventory was made of possible characteristics (also called requirements or attributes) that could be used to assess local public transport. Because this list is quite extensive (it contains nearly two dozen different requirements) only three requirements are implemented in this research. These requirements are: accessibility, travel time and travel cost. However as all these requirements are ambiguous they are therefore split into different perceptions. To make assessment of public transport possible, a network model was created in order to model travel times, travel cost and other attributes that are road or link dependent and can be accumulated during a trip. This model consists of multiple layers which contain information about origins, destinations and road or route links. Each mode has its own layer and the locations of public transport stops are used to transfer ‘people’ from one to another layer. In order to model trips in the correct way, people have to wait for public transport and pay a flat fare, dummy links are introduced to assign these attributes to. In order to model the three requirements that are mentioned before, data have been collected. From the Japanese International Cooperation Agency (JICA) information about population, road network and daladala routes was retrieved. Based on the preliminary reports from Interconsult Ltd. and Logit the routes and itineraries of the proposed DART were retrieved. Most of the data had to be altered in order to store the information or to use the data for analysis. After this the analysis was performed. It appeared that the model is indeed capable of assessing public transport and can be used in future situations. However, because the input data is still a bit ambiguous, the results may not be absolutely true, but they give a good indication of the possibilities for using the model. The analysis does indicate that the implementation of DART improves travel time and reduces the generalized travel cost that people experience during their trips. iv Finally it can be concluded that the proposed model and database can be used for further assessment and storage of information about public transport in Dar es Salaam. It also shows that GIS software can be used to assess transport systems in large cities.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Subject:56 civil engineering
Programme:Civil Engineering BSc (56952)
Link to this item:http://purl.utwente.nl/essays/68474
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