published_or_final_version / abstract / toc / Transport Policy and Planning / Master / Master of Arts in Transport Policy and Planning

No description available.

No description available.

Thesis (M. Econ.)--University of Hong Kong, 1995. / Xeror copy of typescript. Includes bibliographical references (leaf 83-87).

Thesis (M.Econ.)--University of Hong Kong, 1995. / Includes bibliographical references (leaf 83-87). Also available in print.

published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management

The Acres Homes Transit Company in Houston, Texas is Texas' first African American owned and operated bus company. Some say it is the first in the South. The company was developed during the height of the civil rights period. It serves as an establishment of economic empowerment during the oppressive civil rights era. The video is a historical visual documentation of the bus company from its beginning to its end. An accompanying written profile describes the research process, the pre-production, production and post-production stages, as well as future proposals for the documentary.

Transit agencies include buffer time in their schedules to maintain stable headways and avoid bus bunching. In this work, a real-time holding mechanism is proposed to dispatch buses on a loop-shaped route, solely based on operating conditions in real-time. Holds are applied at the terminal station to minimize the expected variance of bus headways at departure. The bus-dispatching problem is formulated as a stochastic decision process. The optimality equations are derived and structural properties of the optimal policy are inferred by backward induction. The exact optimal holding policy is then found in closed form, as a function of the expected travel time of buses currently running. A simulation assuming stochastic operating conditions and unstable headway dynamics is performed to assess the expected average waiting time of passengers at stations. The proposed control strategy is found to provide lower passenger waiting time and better resiliency than methods recommended in the literature and used in practice.

The purpose of this study is to explore procurement practices employed within the commuter bus industry in Gauteng. The contemporary procurement practices employed within the commuter bus industry in Gauteng have propagated a number of challenges for this industry, including a deficit in the allocated funds and a lack of coordinated relationship between the relevant stakeholders. This study is both descriptive and exploratory in nature and employed a mixed-method research approach to collect the research data. The data was collected from a sample of 18 respondents who are key stakeholders directly involved in the procurement of subsidised commuter bus services in Gauteng by means of a face-to-face interview using a semi-structured questionnaire. The findings of the study revealed that there are three types of procurement practices employed within the commuter bus industry, namely, interim, negotiated and tender contracts. However, all these contracts are now outdated, due to the complex implementation of the policies guiding procurement. The study also revealed that there are minimal contributions towards the socio-economic objectives within the commuter bus industry. This has led to uncoordinated relations between the government officials and the subsidised commuter bus operators. Furthermore, there are challenges hindering effective procurement in the commuter bus industry, such as under-funding, fronting activities, frequent reshuffling of transport personnel and inconstant allocation of funds. The study also noted differences in the application of procurement practices between the government officials and the subsidised commuter bus operators, in terms of the industry’s contribution towards socio-economic objectives, policies and regulations, relationship and the challenges faced within the industry. Efficient procurement practices can contribute significantly to the commuter bus industry, especially towards job creation and economic growth. The study concludes with a recommended framework for enhancing the procurement practices of the commuter bus services in Gauteng. / Economics / M. Com. (Transport Economics)

MURP / Department of Urban and Regional Planning / This study focuses on the evaluation of intelligent transport systems making use of the BRT-Rea-vaya in Johannesburg as a case study. This study was motivated by the observation that few studies have been conducted in the study area that tackle explicitly intelligent transport systems evaluation. Intelligent transport systems can assist in improving private and public transportation systems and operations performance. In the public sector where various modes of transport such as the taxi, metro bus, metro rail, Gautrain and the BRT Rea-vaya operates, intelligent transport systems present opportunities for improving Level of Service (LOS) delivery. In Johannesburg, the BRT Rea vaya system was adopted by the Johannesburg metropolitan municipality to provide a safe, reliable, efficient and accessible public transport system. The BRT Rea vaya system is aimed at providing a better public transport, operating systems and service. For the BRT Rea vaya systems to achieve its primary goals and objectives, an intelligent transport system was incorporated to better manage the BRT Rea-vaya systems operations and activities. The study disclosed the status quo, opinions and attitudes of commuters regarding their experiences with the BRT Rea vaya public transport systems in Johannesburg. Furthermore, the study investigated whether the original objectives and aims of intelligent transport system in the BRT Rea-vaya have been meet. A central theme of the investigation is seeking to understand constraints and opportunities regarding BRT Rea-vaya intelligent transport systems‘ operations and activities in Johannesburg. The use of primary and secondary data such as questionnaires, key informant interviews, observation, journals and previous researches related to intelligent transport systems were used to acquire an in-depth understanding of the operational management of BRT Rea-vaya intelligent transport system. Collected data was analyzed using Statistical Package for Social Sciences (SPSS) with the aid of Microsoft Excel making use of descriptive statistics, regression analysis, cross tabulation and chi-square test. This was presented using tables, graphs, maps etc. Qualitative data was analyzed making use of a thematic approach. The study resonates in the need for rapid public transport systems to provide lessons for improving and adopting intelligent transport systems. As an end product, the research provided a framework of analysis on how to integrate intelligent transport systems in the context of Bus rapid transit systems.