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Daniel Oviedo
Transport and Urban Development Planning, Development Planning Unit, University College London, United Kingdom

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Journal article
Published: 13 May 2021 in Transportation Research Part D: Transport and Environment
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In dense cities, the smaller the consumption of land per inhabitant, the more disruptive the use of individual transport as a sustainable transport mode. The impact of private vehicles on transport justice in the spatial dimension is worse there. The unbalanced distribution of street space in dense cities implies considerable challenges for sustainable transport. This paper explores the relationships between mode share, street space distribution, and those spaces’ construction costs. Based on justice principles, the paper discusses a fair distribution of street space in Bogotá, where injustices are apparent. We find imbalances in the prioritization of space for specific street users, with an accent on space for private motorization despite a visible change in investment in other spaces for urban mobility in recent years. Findings provide empirical evidence for informing policy and decision-making related to public investment in urban space and its distribution in practice.

ACS Style

Luis A. Guzman; Daniel Oviedo; Julian Arellana; Victor Cantillo-García. Buying a car and the street: Transport justice and urban space distribution. Transportation Research Part D: Transport and Environment 2021, 95, 102860 .

AMA Style

Luis A. Guzman, Daniel Oviedo, Julian Arellana, Victor Cantillo-García. Buying a car and the street: Transport justice and urban space distribution. Transportation Research Part D: Transport and Environment. 2021; 95 ():102860.

Chicago/Turabian Style

Luis A. Guzman; Daniel Oviedo; Julian Arellana; Victor Cantillo-García. 2021. "Buying a car and the street: Transport justice and urban space distribution." Transportation Research Part D: Transport and Environment 95, no. : 102860.

Journal article
Published: 29 April 2021 in Travel Behaviour and Society
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Social distancing and economic lockdown measures implemented in Global North countries have been mimicked in the Global South to contain the spread of COVID-19. However, the consequences of such measures on activity and mobility patterns among social groups in Global South cities remain unclear. This paper seeks to provide reliable evidence from changes in behaviors across income groups at the urban scale. We report a detailed analysis from a web-based survey to understand the effects of the early and complete lockdown adopted to contain the COVID-19 spread on activity and travel patterns in Bogotá. We also performed a geographical proximity analysis of non-work services and facilities located around surveyed households to challenge the rhetoric about the ‘15-minute’ city. We found that low-income people are more socially exposed to contagion being forced to go out to find their daily sustenance and having adverse economic and travel effects than other income groups. However, even though Bogotá is not so far from meeting the goal of 15 min proximity, particularly for non-work-related activities, we found marked inequalities among income groups regarding access to essential services in proximity. The paper’s findings serve as a reminder that travel behavior and accessibility are not the remits of only urban transport planning and that land-use and urban planning play a determining role in redressing social and spatial inequalities in a city.

ACS Style

Luis A. Guzman; Julian Arellana; Daniel Oviedo; Carlos Alberto Moncada Aristizábal. COVID-19, activity and mobility patterns in Bogotá. Are we ready for a ‘15-minute city’? Travel Behaviour and Society 2021, 24, 245 -256.

AMA Style

Luis A. Guzman, Julian Arellana, Daniel Oviedo, Carlos Alberto Moncada Aristizábal. COVID-19, activity and mobility patterns in Bogotá. Are we ready for a ‘15-minute city’? Travel Behaviour and Society. 2021; 24 ():245-256.

Chicago/Turabian Style

Luis A. Guzman; Julian Arellana; Daniel Oviedo; Carlos Alberto Moncada Aristizábal. 2021. "COVID-19, activity and mobility patterns in Bogotá. Are we ready for a ‘15-minute city’?" Travel Behaviour and Society 24, no. : 245-256.

Journal article
Published: 31 March 2021 in Research in Transportation Economics
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On the premise of transport inequality, urban mobility and the production of pedestrian space, this research explores pedestrians (im)mobility in Maputo, Mozambique's capital city, as a means of unravelling deeper-rooted issues of societal inequality. Borrowing from the Right to the City (RTTC), walking is repositioned as a potential ‘equalising mode’, reflecting on the social, physical and individual drivers of inequalities for walking in the city. Such analysis responds to existing gaps in a literature about walking that has little to offer about its links with social and economic inequalities in the global South. The paper builds on 22 semi-structured interviews and a journey audit exercise to discover that whilst the unfavourable pedestrian infrastructure makes walking difficult, the social stigmas of this space have a greater impact on people's perceptions of walkability. As such, low-income identities are more likely to walk, frequently in parts of the city where walking infrastructure is minimal (if at all), and may therefore find it more difficult to exercise their RTTC than their high-income counterparts. To challenge the status quo, this study concludes that more ‘hubs’ of opportunity must be created to make walking more equitable in addition to improving the most urgent infrastructural shortages.

ACS Style

Suzanna Allen Massingue; Daniel Oviedo. Walkability and the Right to the city: A snapshot critique of pedestrian space in Maputo, Mozambique. Research in Transportation Economics 2021, 86, 101049 .

AMA Style

Suzanna Allen Massingue, Daniel Oviedo. Walkability and the Right to the city: A snapshot critique of pedestrian space in Maputo, Mozambique. Research in Transportation Economics. 2021; 86 ():101049.

Chicago/Turabian Style

Suzanna Allen Massingue; Daniel Oviedo. 2021. "Walkability and the Right to the city: A snapshot critique of pedestrian space in Maputo, Mozambique." Research in Transportation Economics 86, no. : 101049.

Journal article
Published: 03 March 2021 in Research in Transportation Business & Management
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Walking is the dominant mode of transport in informal settlements of the global south, especially in African cities where structural deficits, morphological challenges and ineffective urban development constrains sustainable transport planning for low-income areas. Despite emerging scholarship on walking in Africa, the literature pays little attention to everyday realities of the walking environment. This paper presents preliminary results of a pilot study that examined the walking environment and everyday walking practices in an informal settlement in Freetown, Sierra Leone, using web-based mapping and a qualitative questionnaire. The results show that walking remains the predominant means of mobility in the settlement mainly as a result of the topography and poor infrastructure. Residents have resorted to improvisations through self-constructed routes to mitigate risks and improve walking experiences, as well as self-provided street lights or benches for rest stops. Our results show that local improvisations influenced residents' positive experiences of walking. The paper highlights the need for collaborative and participatory local interventions that are built on everyday walking practices to support co-production methodologies for understanding and improving local walking experiences. Through context-specific understandings of the everyday walking environment, the research provides avenues for urban transport and development planners to work with local actors for improving accessibility in informal urban neighbourhoods facing acute structural deficits for urban mobility and access to essential everyday services.

ACS Style

Daniel Oviedo; Seth Asare Okyere; MariaJosé Nieto; Michihiro Kita; Louis Frimpong Kusi; Yasmina Yusuf; Braima Koroma. Walking off the beaten path: Everyday walking environment and practices in informal settlements in Freetown. Research in Transportation Business & Management 2021, 100630 .

AMA Style

Daniel Oviedo, Seth Asare Okyere, MariaJosé Nieto, Michihiro Kita, Louis Frimpong Kusi, Yasmina Yusuf, Braima Koroma. Walking off the beaten path: Everyday walking environment and practices in informal settlements in Freetown. Research in Transportation Business & Management. 2021; ():100630.

Chicago/Turabian Style

Daniel Oviedo; Seth Asare Okyere; MariaJosé Nieto; Michihiro Kita; Louis Frimpong Kusi; Yasmina Yusuf; Braima Koroma. 2021. "Walking off the beaten path: Everyday walking environment and practices in informal settlements in Freetown." Research in Transportation Business & Management , no. : 100630.

Journal article
Published: 19 January 2021 in Research in Transportation Economics
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As a transport mode available to everyone and most abled-bodied urban residents, walking is, actually, the most equitable mode of transport. Walking brings several benefits to inhabitants among money savings and health improvement. Unfortunately, despite its benefits, walking is not a priority in the urban planning agenda of some cities, especially in the Global South. Walkability conditions in some areas of these cities are not particularly friendly for pedestrians, which discourage walking trips and promotes inequities across inhabitants. Evidence supporting inequalities in the provision of adequate conditions for the use of active transport in the Global South cities remain scarce. This paper aims to contribute to filling this gap by first proposing a framework to link pedestrian accessibility with walkability measures. Specifically, we use a macro-scale measure of pedestrian accessibility and a meso-scale measure of walkability to compare walking conditions on different zones in Barranquilla and Soledad, Colombia. After comparing both measures, we found that low-income zones have higher walkability indexes but present lower potential pedestrian accessibility. In contrast, the highest potential pedestrian accessibilities were located in high and medium-income zones, where people rely more on private transport modes. This imbalance regarding supply and demand conditions for walking trips suggest that unfortunately, zones with the highest potential of being walkable are the ones that face more barriers to walk. Then, adequate planning policies when implemented in the right locations could promote higher use of walking and have the potential to reduce current inequalities in pedestrian infrastructure provision.

ACS Style

Julián Arellana; Vilma Alvarez; Daniel Oviedo; Luis A. Guzman. Walk this way: Pedestrian accessibility and equity in Barranquilla and Soledad, Colombia. Research in Transportation Economics 2021, 86, 101024 .

AMA Style

Julián Arellana, Vilma Alvarez, Daniel Oviedo, Luis A. Guzman. Walk this way: Pedestrian accessibility and equity in Barranquilla and Soledad, Colombia. Research in Transportation Economics. 2021; 86 ():101024.

Chicago/Turabian Style

Julián Arellana; Vilma Alvarez; Daniel Oviedo; Luis A. Guzman. 2021. "Walk this way: Pedestrian accessibility and equity in Barranquilla and Soledad, Colombia." Research in Transportation Economics 86, no. : 101024.

Journal article
Published: 22 October 2020 in Journal of Transport & Health
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Emerging interest in social issues related to transport in cities facing rapid demographic and socioeconomic transitions has led to increasing interest in the relationships between well-being and transport disadvantage. However, unpacking such links has been elusive at best, and mainstream research has not embraced the particularities and diversities of Global South cities as research settings. Most research has focused on subjective approaches to well-being and ideas of satisfaction with and quality of life. We propose a well-being framework tailored to the specific characteristics derived from transport problems faced by low-income urban dwellers. This concept, Transport Well-being, attempts to shed light on how transport may affect components of well-being such as access to key opportunities, ability to enjoy the built environment and security while travelling. We build on the person-centred framework (White, 2010), to examine Transport Well-being in its relational, material and subjective dimensions. We use a quantitative dataset of a randomly selected sample of 570 adults in low-income informal settlements in the periphery of the cities of Abuja, Kaduna and Ibadan in Nigeria. Data is analysed using a structural equation model (SEM), which seeks to explain the links between second-level latent variable Perceived Transport Advantage/Disadvantage and Transport Well-being. We find a strong correlation between Perceived Transport Advantage/Disadvantage and Transport Well-being (0.652) with a model specification that reflects statistically significant associations, while finding marked differences between the three cities analysed. This suggests that incorporating multiple dimensions of transport and well-being and contextual issues of the Global South can lead to different interpretations of transport-related well-being and its relation with social and transport disadvantage. The structural equation model enabled us to incorporate variables that captured the spirit of conceptualisations of transport disadvantage and transport well-being and to explore their links under context-specific conditions for comparable population. Findings can inform differentiated policy definition and prioritization in contexts with limited resources and structural deficits in access and connectivity. Such a result is useful to de-construct the effects and intensity of urban transport as mediating factor in well-being.

ACS Style

Daniel Oviedo; Orlando Sabogal. Unpacking the connections between transport and well-being in socially disadvantaged communities: Structural equations approach to low-income neighbourhoods in Nigeria. Journal of Transport & Health 2020, 19, 100966 .

AMA Style

Daniel Oviedo, Orlando Sabogal. Unpacking the connections between transport and well-being in socially disadvantaged communities: Structural equations approach to low-income neighbourhoods in Nigeria. Journal of Transport & Health. 2020; 19 ():100966.

Chicago/Turabian Style

Daniel Oviedo; Orlando Sabogal. 2020. "Unpacking the connections between transport and well-being in socially disadvantaged communities: Structural equations approach to low-income neighbourhoods in Nigeria." Journal of Transport & Health 19, no. : 100966.

Journal article
Published: 30 September 2020 in Transportation Research Part D: Transport and Environment
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In a context of rising awareness for environmental concerns and promotion policies targeting non-motorized travel as a sustainable mobility solution, the bicycle has increasingly become an attractive transport mode in cities. However, accessibility to opportunities for people who cycle is not necessarily the same across socioeconomically different population segments, and it tends to be further constrained by high costs associated with the travel distance through the road network. This research examines equality in the accessibility to employment and education among cycle-user adults in Bogotá. Using 968 reported bicycle trips with these travel purposes in the 2015 Bogotá Household Travel Survey, we estimate a potential accessibility indicator and horizontal and vertical equality indicators. First, we identify three clusters through the K-prototypes method to classify bicycle commuters based on trip and socioeconomic characteristics, and second, we calculate potential accessibility using GIS-based trip distance decay functions, which is later assessed through equality indices such as Lorenz Curves, Gini index and Palma Ratio. Results show marked differences in potential accessibility to work and study opportunities between and within clusters, where up to 90% of the analyzed population of a cyclists' cluster has access to 30% of the job and study opportunities, indicating social and spatial inequalities produced by the urban structure and individual and household characteristics of regular cyclists. Results can guide in the implementation of accurate transport policies towards more equitable and sustainable transport in cities that are experiencing increases in bicycle ridership.

ACS Style

Daniel Rosas-Satizábal; Luis A. Guzman; Daniel Oviedo. Cycling diversity, accessibility, and equality: An analysis of cycling commuting in Bogotá. Transportation Research Part D: Transport and Environment 2020, 88, 102562 .

AMA Style

Daniel Rosas-Satizábal, Luis A. Guzman, Daniel Oviedo. Cycling diversity, accessibility, and equality: An analysis of cycling commuting in Bogotá. Transportation Research Part D: Transport and Environment. 2020; 88 ():102562.

Chicago/Turabian Style

Daniel Rosas-Satizábal; Luis A. Guzman; Daniel Oviedo. 2020. "Cycling diversity, accessibility, and equality: An analysis of cycling commuting in Bogotá." Transportation Research Part D: Transport and Environment 88, no. : 102562.

Journal article
Published: 01 June 2020 in Sustainability
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This research sets out to examine the interaction between accessibility, social inequalities and sustainability by revisiting a well-documented case of inequalities in access in Global South cities: Bogotá. Our analysis builds on the concept of accessibility, focusing on the role of transport as an enabler of opportunities for social interactions, healthcare and leisure, which are essential to the full participation in society. The research applies a methodological framework for accessibility developed and tested in the Latin American context, though it has not been previously applied to non-commuting travel. Our paper contributes to the existing evidence base showing the relevance of non-commuting travel to sustainable transport assessment in contexts of high inequality, which can be scaled up and applied in other contexts with various levels of social and environmental inequalities. The empirical analysis is based on data from Bogotá’s household travel survey. Using this dataset, we measure accessibility using a gravitational type of metric that is calibrated based on observed travel behavior. Accessibility levels were estimated by car and public transport for every zonal planning unit in the Bogotá Region. Accessibility indices are analyzed from an equity perspective using metrics such as the Palma ratio for differences of income and socioeconomic positions. Results show that on average, low- and middle-income areas have higher accessibility than high-income areas by both private and public transport. Accessibility conditions are discussed considering a framework of transitions to sustainable urban mobility, reflecting on various drivers and consequences of barriers to access in different areas and social groups. Our findings provide insights to support actions that redistribute accessibility of opportunities beyond the job market, questioning the applicability of accessibility measures to discuss equity and sustainability in cities such as Bogotá.

ACS Style

Daniel Oviedo; Luis A. Guzman. Revisiting Accessibility in a Context of Sustainable Transport: Capabilities and Inequalities in Bogotá. Sustainability 2020, 12, 4464 .

AMA Style

Daniel Oviedo, Luis A. Guzman. Revisiting Accessibility in a Context of Sustainable Transport: Capabilities and Inequalities in Bogotá. Sustainability. 2020; 12 (11):4464.

Chicago/Turabian Style

Daniel Oviedo; Luis A. Guzman. 2020. "Revisiting Accessibility in a Context of Sustainable Transport: Capabilities and Inequalities in Bogotá." Sustainability 12, no. 11: 4464.

Journal article
Published: 26 February 2020 in Sustainability
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This paper proposes a modal-shift analysis methodology based on a mix of small-scale primary data and big data sources to estimate the total amount of trips that are reallocated to transportation network companies (TNCs) services in Bogotá, Colombia. The analysis is focused on the following four modes: public transportation, private vehicles, conventional taxis, and TNC services. Based on a stated preferences survey and secondary databases of travel times and costs, the paper proposes a methodology to estimate the reallocation of travel demand once TNCs start operating. Results suggests that approximately one third of public transportation trips are potentially transferred to TNCs. Moreover, potential taxi and private vehicle–transferred trips account for almost 30% of the new TNC demand. Additionally, approximately half of the trips that are reallocated from public transport demand can be considered as complementary, while the remaining share can be considered as potential replacing trips of public transportation. The paper also estimates the potential increase in Vehicle-km travelled in each of the modes before and after substitution as a proxy to the effects of demand reallocation on sustainability, finding increases between 1.3 and 14.5 times the number of Vehicle-km depending on the mode. The paper highlights the role of open data and critical perspectives on available information to analyze potential scenarios of the introduction of disruptive technologies and their spatial, social, and economic implications.

ACS Style

Daniel Oviedo; Isabel Granada; Daniel Perez-Jaramillo. Ridesourcing and Travel Demand: Potential Effects of Transportation Network Companies in Bogotá. Sustainability 2020, 12, 1732 .

AMA Style

Daniel Oviedo, Isabel Granada, Daniel Perez-Jaramillo. Ridesourcing and Travel Demand: Potential Effects of Transportation Network Companies in Bogotá. Sustainability. 2020; 12 (5):1732.

Chicago/Turabian Style

Daniel Oviedo; Isabel Granada; Daniel Perez-Jaramillo. 2020. "Ridesourcing and Travel Demand: Potential Effects of Transportation Network Companies in Bogotá." Sustainability 12, no. 5: 1732.

Journal article
Published: 01 January 2020 in International Journal of Disaster Response and Emergency Management
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The work explores the use of street network analysis on informal settlements and discusses the potential and limitations of this methodology to advance disaster risk reduction and urban resilience. The urban network analysis tool is used to conduct graph analysis measures on street networks in three informal settlements in the LAC region: Portmore, Jamaica; Tegucigalpa, Honduras; and Lima, Peru. Authors incorporate risk variables identified by these communities and combine them with prospective scenarios in which street networks are strategically intervened to improve performance. Authors also compute one graph index named Reach centrality. Results are presented spatially through thematic maps, and statistically by plotting cumulative distributions. Findings show that centrality measures of settlements' networks helped identify key nodes or roads that may be critical for people's daily life after disasters, and strategic to improve accessibility. The proposed methodology shows potential to inform decisions on urban planning and disaster risk reduction.

ACS Style

Vicente Sandoval; Juan Pablo Sarmiento; Erick Alberto Mazariegos; Daniel Oviedo. Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements. International Journal of Disaster Response and Emergency Management 2020, 3, 30 -45.

AMA Style

Vicente Sandoval, Juan Pablo Sarmiento, Erick Alberto Mazariegos, Daniel Oviedo. Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements. International Journal of Disaster Response and Emergency Management. 2020; 3 (1):30-45.

Chicago/Turabian Style

Vicente Sandoval; Juan Pablo Sarmiento; Erick Alberto Mazariegos; Daniel Oviedo. 2020. "Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements." International Journal of Disaster Response and Emergency Management 3, no. 1: 30-45.

Journal article
Published: 16 May 2019 in Sustainability
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Investments in public transit infrastructure in Latin America and the Caribbean often aim to reduce spatial and social inequalities by improving accessibility to jobs and other opportunities for vulnerable populations. One of the central goals of Lima’s Bus Rapid Transit (BRT) project was to connect low-income populations living in the peripheries to jobs in the city center, a policy objective that has not yet been evaluated. Building on secondary datasets of employment, household socio-demographics and origin–destination surveys before and after the BRT began operations, this paper examines the contribution of Lima’s BRT system to accessibility to employment in the city, particularly for low-income public transit users. We estimated the effects on potential accessibility to employment, comparing impacts on lower versus higher income populations, and assessed the changes in location-based accessibility to employment before (2004) and after implementation (2012) for treatment and comparison groups. We found that the BRT line reduced travel times for commuters to reach jobs, in comparison with traditional public transport in the city. However, the coverage of the BRT declines in areas with high concentrations of poor populations, limiting the equitability of accessibility improvements. The analysis by socioeconomic sub-groups found positive effects of the BRT system on accessibility for the higher income areas. Relative to the control group, accessibility increased in the 10-km boundary area of the BRT by 0.01, a seven percent increase relative to the treatment baseline accessibility index in the higher socioeconomic (SES) areas of the city. In contrast, in the areas with high concentrations of lower SES populations, the double difference estimate indicated an 11 percent decrease relative to the baseline accessibility index (0.09). We build on case-specific findings and international literature to reflect on policy avenues to include the poor in the mobility benefits of BRT systems. These measures include targeted fare subsidies for low-income groups, fare integration with other forms of public transport that reduce the cost of transfers, and the increase of coverage of the BRT through the integration of stations with non-motorized infrastructure.

ACS Style

Daniel Oviedo; Lynn Scholl; Marco Innao; Lauramaria Pedraza. Do Bus Rapid Transit Systems Improve Accessibility to Job Opportunities for the Poor? The Case of Lima, Peru. Sustainability 2019, 11, 2795 .

AMA Style

Daniel Oviedo, Lynn Scholl, Marco Innao, Lauramaria Pedraza. Do Bus Rapid Transit Systems Improve Accessibility to Job Opportunities for the Poor? The Case of Lima, Peru. Sustainability. 2019; 11 (10):2795.

Chicago/Turabian Style

Daniel Oviedo; Lynn Scholl; Marco Innao; Lauramaria Pedraza. 2019. "Do Bus Rapid Transit Systems Improve Accessibility to Job Opportunities for the Poor? The Case of Lima, Peru." Sustainability 11, no. 10: 2795.

Journal article
Published: 31 October 2018 in Sustainability
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Bogotá, a paradigmatic case of urban (re)development driven by transport interventions, began transforming its public transport system anew in mid-2010. It was not until 2012 when a gradual implementation of the new integrated public transport system of Bogotá (SITP in Spanish) began. By 2015, about 74% of the new bus routes were implemented. The considerable changes in supply and operational models for public transport during this period redefined travel conditions, having a direct impact on accessibility. Our research analyzes observable changes in accessibility to jobs and houses at both the home and work ends of trips as a result of differences in travel time for respondents to a household travel survey in Bogotá between 2011 and 2015. The paper presents a cross-sectional analysis of accessibility changes, pinpointing low accessibility levels facilitated by the current public transport system to the most deprived groups of Bogotá. Results are presented as access curves by socioeconomic levels and zones that estimate the time required to access workplaces via public transport. Results show that the location of low-income settlements implies a disadvantage as a consequence of spatial segregation that increases distances to job-opportunities. Five years after the implementation of the SITP, public transport in Bogotá still fails to improve accessibility, reinforcing gaps between rich and poor groups instead of closing them.

ACS Style

Luis A. Guzman; Daniel Oviedo; Rafael Cardona. Accessibility Changes: Analysis of the Integrated Public Transport System of Bogotá. Sustainability 2018, 10, 3958 .

AMA Style

Luis A. Guzman, Daniel Oviedo, Rafael Cardona. Accessibility Changes: Analysis of the Integrated Public Transport System of Bogotá. Sustainability. 2018; 10 (11):3958.

Chicago/Turabian Style

Luis A. Guzman; Daniel Oviedo; Rafael Cardona. 2018. "Accessibility Changes: Analysis of the Integrated Public Transport System of Bogotá." Sustainability 10, no. 11: 3958.

Journal article
Published: 01 September 2018 in Transport Policy
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Public transport has claimed a preferential position in recent urban development agendas internationally. Rising interest on inclusive development of cities at different levels of urban policy involves new opportunities and challenges for increasingly urban societies. In cities of the Global South, in addition to institutional and physical challenges for the development of efficient and inclusive public transport, local governments face the challenge of making public transport affordable for a large share of the population in conditions of poverty. In order to meet these challenges, several public transport systems throughout have implemented targeted subsidies for specific social groups such as students, the elderly and people with reduced mobility, and more recently for the poor. The government of Bogotá has implemented a pro-poor public transport subsidy scheme that aims at alleviating the financial burden of poor households for accessing the city's public transport system. This research develops an analysis of the effects of such subsidy from an accessibility perspective using potential accessibility measures to employment opportunities and assess its impact on equity. The research builds on the hypothesis that accessibility is a multi-dimensional construct that can benefit from the decrease in economic as much as gains in time costs. Results from the analysis show that both the current structure of the pro-poor subsidies in Bogotá and alternative scenarios for increasing its coverage are progressive, improving accessibility and equity for those with access to the subsidy. The paper provides valuable insights for the analysis of similar policies in other urban contexts in the Global South.

ACS Style

Luis A. Guzman; Daniel Oviedo. Accessibility, affordability and equity: Assessing ‘pro-poor’ public transport subsidies in Bogotá. Transport Policy 2018, 68, 37 -51.

AMA Style

Luis A. Guzman, Daniel Oviedo. Accessibility, affordability and equity: Assessing ‘pro-poor’ public transport subsidies in Bogotá. Transport Policy. 2018; 68 ():37-51.

Chicago/Turabian Style

Luis A. Guzman; Daniel Oviedo. 2018. "Accessibility, affordability and equity: Assessing ‘pro-poor’ public transport subsidies in Bogotá." Transport Policy 68, no. : 37-51.

Journal article
Published: 01 December 2016 in Research in Transportation Economics
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ACS Style

Adriana Ortegon-Sanchez; Daniel Oviedo Hernandez. Assessment of the potential for modal shift to non-motorised transport in a developing context: Case of Lima, Peru. Research in Transportation Economics 2016, 60, 3 -13.

AMA Style

Adriana Ortegon-Sanchez, Daniel Oviedo Hernandez. Assessment of the potential for modal shift to non-motorised transport in a developing context: Case of Lima, Peru. Research in Transportation Economics. 2016; 60 ():3-13.

Chicago/Turabian Style

Adriana Ortegon-Sanchez; Daniel Oviedo Hernandez. 2016. "Assessment of the potential for modal shift to non-motorised transport in a developing context: Case of Lima, Peru." Research in Transportation Economics 60, no. : 3-13.

Journal article
Published: 01 July 2016 in Journal of Transport Geography
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ACS Style

Daniel Oviedo Hernandez; Helena Titheridge. Mobilities of the periphery: Informality, access and social exclusion in the urban fringe in Colombia. Journal of Transport Geography 2016, 55, 152 -164.

AMA Style

Daniel Oviedo Hernandez, Helena Titheridge. Mobilities of the periphery: Informality, access and social exclusion in the urban fringe in Colombia. Journal of Transport Geography. 2016; 55 ():152-164.

Chicago/Turabian Style

Daniel Oviedo Hernandez; Helena Titheridge. 2016. "Mobilities of the periphery: Informality, access and social exclusion in the urban fringe in Colombia." Journal of Transport Geography 55, no. : 152-164.

Journal article
Published: 01 February 2016 in Journal of Transport Geography
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ACS Style

Daniel Oviedo Hernandez; Julio D. Dávila. Transport, urban development and the peripheral poor in Colombia — Placing splintering urbanism in the context of transport networks. Journal of Transport Geography 2016, 51, 180 -192.

AMA Style

Daniel Oviedo Hernandez, Julio D. Dávila. Transport, urban development and the peripheral poor in Colombia — Placing splintering urbanism in the context of transport networks. Journal of Transport Geography. 2016; 51 ():180-192.

Chicago/Turabian Style

Daniel Oviedo Hernandez; Julio D. Dávila. 2016. "Transport, urban development and the peripheral poor in Colombia — Placing splintering urbanism in the context of transport networks." Journal of Transport Geography 51, no. : 180-192.

Articles
Published: 05 November 2014 in International Journal of Sustainable Transportation
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The new integrated transit system of Bogotá (ITSB) is a local initiative to improve general transportation conditions in the city. However, as an integral intervention to improve current transit services, it affects travel times and user costs, entailing changes in accessibility. We developed a methodology to calculate these changes for different areas in the city, considering travel expenditure for work trips and socioeconomic features of the population. The article evaluates accessibility implications for different fare schemes for the ITSB, modeling accessibility as a function of total travel expenditure and travel times. We focus on analyzing changes in cost and trip distribution for ITSB routes and their impacts on access to employment. Changes in travel attributes are obtained from a four-step transport model of Bogotá developed with VISUM modeling software. Meaningful changes in travel time and expenditure were found for all scenarios altering accessibility considerably. Under a flat fare scenario independent of travel distances, the number of transfers had a higher effect on accessibility in comparison to schemes where transfers are penalized through an incremental fare.

ACS Style

Juan Pablo Bocarejo; Daniel Escobar; Daniel Oviedo Hernandez; Diana Galarza. Accessibility analysis of the integrated transit system of Bogotá. International Journal of Sustainable Transportation 2014, 10, 308 -320.

AMA Style

Juan Pablo Bocarejo, Daniel Escobar, Daniel Oviedo Hernandez, Diana Galarza. Accessibility analysis of the integrated transit system of Bogotá. International Journal of Sustainable Transportation. 2014; 10 (4):308-320.

Chicago/Turabian Style

Juan Pablo Bocarejo; Daniel Escobar; Daniel Oviedo Hernandez; Diana Galarza. 2014. "Accessibility analysis of the integrated transit system of Bogotá." International Journal of Sustainable Transportation 10, no. 4: 308-320.