Megaevents und favelas. Strategische Interventionen und sozialräumliche Effekte in Rio de Janeiro

Häußermann und Siebel konzeptionalisierten 1993 mit der Festivalisierungsthese die stadtpolitische Instrumentalisierung von Großereignissen. Seither haben sich die Events und die theoretische Auseinandersetzung verändert. Hinsichtlich der Megaevents lassen sich derzeit zwei Trends beobachten: 1. der enorme ökonomische wie politische Bedeutungsgewinn der Events und 2. die Events finden immer häufiger im ‚Globalen Süden‘ statt. Dieser Beitrag untersucht die urbanen Bedingungen und Effekte von Megaevents am Beispiel Rio de Janeiros. Der Fokus liegt auf den in zumeist informell organisierten Wohngebieten einkommensschwacher Gruppen, auf den favelas, die sich als besonders sensibles Wirkungsfeld der Festivalisierung erweisen. Im Zuge der Auseinandersetzung mit den urbanen Effekten entwickeln wir eine analytische Perspektive, die sich auf andere Gastgeberstädte im Globalen Süden übertragen lässt. Thematisiert werden exkludierende Strategien und marktimperiale Effekte der Eventvorbereitung. Im Fazit werden diese als anti-social legacy zusammengefasst

Urbane Mobilität und Informalität in Subsahara-Afrika – Eine Studie zur Marktintegration der Motorrad-Taxis in Dar es Salaam

Im Kontext der rasanten Stadt- und Verkehrsentwicklung in Subsahara-Afrika haben Motorrad-Taxis in den vergangenen Jahren einen starken Bedeutungsgewinn erfahren. Diese sorgen für die Erreichbarkeit randstädtischer Siedlungsgebiete und erfüllen auch in innerstädtischen Gebieten wichtige Funktionen. Bisherige Studien haben vor allem Aspekte der Verkehrsunsicherheit sowie quantitative Angebotsmerkmale und Nutzerbewertungen der Dienstleistung herausgearbeitet. Auch um die Potenziale für eine Reduzierung ihrer Negativeffekte und für ihre stärkere verkehrsplanerische Einbettung abschätzen zu können, bedarf es darüber hinaus eines besseren Verständnisses ihrer Steuerungsmechanismen. Vor diesem Hintergrund untersucht die vorliegende Studie die Organisation und Regulierung der Motorrad-Taxis am Beispiel der tansanischen Metropole Dar es Salaam. Die Empirie stützt sich auf ein methodisch qualitatives Vorgehen, das sich am Forschungsstil der Grounded Theory und den Argumenten des Southern Urbanism orientiert. Die Analyse und Einordnung der Ergebnisse basiert auf verschiedenen theoretischen Perspektiven der Steuerung sowie auf Konzepten der soziologischen Praxistheorien. Die Arbeit zeigt, welchen Einfluss der lokale Kontext auf das Entstehen der Motorrad-Taxi-Dienstleistung hat und welche Governance-Mechanismen ihre kontinuierliche Integration in den lokalen Markt der Mobilitätsdienstleistungen ermöglichen. Dabei deckt die Studie das enge Zusammenspiel und die Bedeutung von Selbstregulierung, staatlicher Regulierung sowie Konflikten und Kooperation zwischen den beteiligten Stakeholdern auf. Damit trägt die Studie zur Überwindung einer oft unterstellten Dichotomie von ‚informellen‘ und ‚formellen‘ gesellschaftlichen Relationen bei. Darauf aufbauend liefert die Studie außerdem einen empirischen Beitrag zu aktuellen theoretischen Debatten um das Verhältnis von Strukturzwängen in den Städten Subsahara-Afrikas einerseits und den Handlungsmöglichkeiten sozialer Akteure andererseits.In the context of rapid urbanisation and transport development in Sub-Saharan-Africa motorcycle-taxis have become an important mobility option in recent years. They increase accessibility in peri-urban settlements and provide crucial functions in inner urban areas. Previous studies have contributed to a better understanding of road safety issues and have investigated quantitative service characteristics and user perceptions. However, in order to reduce negative effects and to evaluate the potentials for their consideration in urban transport planning, it is fundamental to also understand the governance of motorcycle-taxis. Against this background, this study investigates the organisation and mode of regulation of motorcycle-taxis in the Tanzanian metropolis of Dar es Salaam. The study is based on a qualitative research design and follows a Grounded Theory approach and the arguments of Southern Urbanism. The analysis of the empirical results is informed by different governance perspectives and concepts from the field of sociological practice theory. The study shows how the emergence of motorcycle-taxis in Dar es Salaam is shaped by the local context and how particular governance mechanisms continuously enable their integration into the local market of mobility services. In that regard the study unveils how self-regulation, state regulation as well as conflicts and cooperation between stakeholders interrelate and what role they play. In that way the study contributes to overcoming the often-assumed dichotomy between ‘informal’ and ‘formal’ social relations. Moreover, based on a social-theoretical analysis the study contributes to current urban theory debates on the relation between the constraints of social structures in the cities in Sub-Saharan Africa on the one hand and the agency of social actors on the other hand

How can GPS/GNSS tracking data be used to improve our understanding of informal transport? A discussion based on a feasibility study from Dar es Salaam

Informal transport is an important factor for people's daily mobility in most developing countries, in urban as well as in rural areas. It has grown rapidly in recent years and influences cities' appearances all around the world. But little is known about its operation, as informal transport is highly dynamic and its operation mostly unregulated by the state. This paper discusses how informal transport can be better understood by using GPS tracking data. The methodology is exemplified using results from a feasibility study from Dar es Salaam. The results show that GPS tracking has great potential to provide insights into the functionality of informal transport, such as its role as a feeder mode in the transport system, as well as into the comparative advantages and disadvantages of different modes of transport. Moreover, by delivering spatially locatable information on mobility developments, it can deliver important information for integrated planning with regard to better coordinating the interwoven developments of urban settlements, growing mobility demand, and transport supply

Is micro-mobility sustainable? An overview of implications for accessibility, air pollution, safety, physical activity and subjective wellbeing

Micro-mobility (MM) is usually presented as an environmental friendly, flexible and socially inclusive new group of travel modes. This chapter first defines and then explores the social sustainability potential of MM by providing an overview of MM implications for accessibility, air pollution, safety, physical activity and subjective wellbeing. Our results show that MM could enhance accessibility, yet costs, physical ability and technical skills might exclude certain social groups from using such modes. MM modes have no or limited direct CO2 emissions but environmental effects are uncertain if we account for the production of these modes. Road safety could be enhanced due to mutual awareness stimulation, but also compromised due to speed differential between MM and other modes. Physical activity could be increased or reduced depending on whether MM modes are electric or not. Exercising, enjoying the scenery, and having fun could enhance subjective well-being of MM mode users, while perceived safety risk could negatively influence subjective well-being. We conclude that MM sustainability potential should not be automatically assumed and could vary among the different MM modes. We suggest a set of regulatory actions with regards to permission, operation and monitoring of MM systems that could enhance their social sustainability

How can GPS/GNSS tracking data be used to improve our understanding of informal transport? A discussion based on a feasibility study from Dar es Salaam

Informal transport is an important factor for people's daily mobility in most developing countries, in urban as well as in rural areas. It has grown rapidly in recent years and influences cities' appearances all around the world. But little is known about its operation, as informal transport is highly dynamic and its operation mostly unregulated by the state. This paper discusses how informal transport can be better understood by using GPS tracking data. The methodology is exemplified using results from a feasibility study from Dar es Salaam. The results show that GPS tracking has great potential to provide insights into the functionality of informal transport, such as its role as a feeder mode in the transport system, as well as into the comparative advantages and disadvantages of different modes of transport. Moreover, by delivering spatially locatable information on mobility developments, it can deliver important information for integrated planning with regard to better coordinating the interwoven developments of urban settlements, growing mobility demand, and transport supply

Motorcycle-taxis in sub-Saharan Africa: Current knowledge, implications for the debate on informal transport and research needs

In the countries of sub-Saharan Africa (SSA) population growth, urbanisation, and social change have resulted in rising and diversifying mobility needs of urban and rural populations alike. Moreover, this has stimulated the emergence of new modes of transport, for example the motorcycle-taxi (moto-taxi). While moto-taxis have been used for decades in some areas, they have seen massive growth in the past couple of years and they have expanded to other rural and urban areas in SSA. This has come with a number of benefits as regards securing public mobility and socio-economic effects. On the other hand, the growth of these often informally provided services has resulted in negative externalities, especially road safety issues. And this has fuelled public discussions on how to control and regulate these services. Within academia their growing importance has resulted in a significant number of empirical studies (including a large share of final theses/assignments) in the past five to ten years. These studies deliver valuable insights into different aspects of this transport mode. However, only few comprehensive overviews of moto-taxis and their service characteristics exist. This article aims to present a comprehensive summary of the role played by moto-taxi services in providing public transport options in SSA. Based on an extensive literature review it categorises and summarises insights into this transport mode that are covered by the reviewed studies. The topics include underlying factors of motorcycle-taxi growth, supply side and demand side aspects, service organisation, regulation, as well as safety, health and environmental impacts. As far as available insights allow, regional, as well as urban and rural service patterns are traced. On that basis, the article discusses implications for the debate on informal transport and identifies knowledge gaps that should be addressed by future research

Electric three-wheelers as an alternative to combustion-engined autorickshaws in Dar es Salaam - Generation of a standard drive cycle, Power Train modelling and simulation of the energy demand of light electric vehicles

This study analyses the feasibility of electric 3-wheeled motorcycle-taxis in Dar es Salaam from a technical and user oriented point of view on the power train. Based on the experiences and expectations of an interviewed group of drivers, two electric power train variants for 3-wheeled vehicles have been set up and compared. In order to calculate the vehicle energy demand, a simulation model has been set up. This model uses a drive cycle that has been generated for the specific location of Dar es Salaam using GPS tracks recorded during a field trip. Results contain the vehicle battery weight, energy demand and range for varied battery capacities. Finally, a possible power train variant is suggested