Early delivery of equitable and healthy transport options in new suburbs: Policy, place and people

https://doi.org/10.1016/j.jth.2020.100870Get rights and content

Highlights

  • Planning policies were reviewed and measured for their impact on resident health and wellbeing.

  • Residents rated proximity to roads, schools and transport as being important.

  • Residents in more liveable and established growth areas are more satisfied with their area.

  • Planning for liveable growth areas may not be enough for influencing healthy behaviours.

  • Implementation of social and transport services in growth areas must occur early to support health.

Abstract

Introduction

Planning policies support the development of healthy, liveable cities. Yet, recent research suggests they may not offer enough detail to provide on-the-ground delivery of social and transport infrastructure that supports and impacts healthy, active behaviours and the subjective wellbeing of residents in new developments and growth areas.

Methods

Three analyses were conducted. First, planning policies were reviewed using a content analysis to identify environmental features known to support healthy and active behaviours. Then, for two growth area estates located in Melbourne, Australia (Allura and Selandra Rise), the on-the-ground delivery of these planning policies were evaluated using spatial data of key destinations (e.g., shops, schools, and transport) and geographic information systems analysis. Finally, the health and subjective wellbeing of adult residents from these two estates combined (n = 352) was assessed using survey methodology. This included asking residents about the importance and satisfaction with access to transport and key destinations.

Results

We found that many built environment features were mentioned in the policy documents; however policy standards for dwelling density remain low at 15 dph and distances for accessing activity centres too long at 1 km to adequately support the walkability of new growth areas. We found generally, that average distances to key destinations were longer and more variable in growth areas in comparison to inner city areas and Greater Melbourne overall. For residents, satisfaction with access to destinations differed between the two case study areas. Residents in Allura, where destination and transport access was generally poorer were less satisfied, whilst those in the more walkable and established Selandra Rise area were more satisfied.

Conclusions

Although planning policies support the development of active transport and healthy, liveable cities they are insufficient for influencing healthy behaviours when not well implemented. Early delivery of social and transport infrastructure and services must occur early in the development cycle of new growth areas to support healthier and more sustainable behaviours.

Introduction

Globally, 54% of the world’s population now live in urban areas (WHO, 2014) with even higher figures in developed nations, such as Australia (86%) and the USA (82%) (World Bank, 2018). Recent population flows from immigration have led to high levels of population growth in some cities, putting pressure on housing and infrastructure development (Kellett and Nunnington, 2019; Wear, 2016; State Government of Victoria, 2019; OECD, 2018). Additionally, in many cities, transport infrastructure and services are unevenly distributed, with greater public transport supply in the more densely settled inner and middle urban areas of cities (Jeffrey et al., 2019; McCormack et al., 2012). In Australia, North America and some European countries (e.g., Spain), sprawl and the legacy of post-war suburban land-use patterns have increased the costs of infrastructure provision and triggered a reliance on car use as a means of transportation (Hortas-Rico and Solé-Ollé, 2010; Mattioli, 2017; Currie and Senbergs, 2007; Ewing et al., 2003). Although a complex issue (Mattioli, 2017), this has contributed to an increase in both the costs of transportation and transport disadvantage in newly established growth and outer suburban areas where public transport services are lacking (Filion, 2018; Bento et al., 2005; Ewing and Hamidi, 2017).

Melbourne, in the state of Victoria, Australia, is one example of a city with strong population growth which is predicted to reach 9.0 million by 2056 from 4.7 million in 2016 (State Government of Victoria, 2019; ABS, 2017; DELWP, 2019b), that is expanding into Greenfield or growth areas on the urban fringe (Wear, 2016; Brain et al., 2019). This has accelerated problems with transport and social infrastructure provision (e.g., primary and secondary schools, community centres, and doctor’s clinics), that are key destinations and factors defining liveable cities that have been shown to support healthy living and wellbeing (Lowe et al., 2013; Davern et al., 2017).

In planning for population growth, both transport and social infrastructure are often the last to be delivered with recent evidence showing a lack of infrastructure provision in Melbourne’s growth areas impacting on the mental and physical health of residents (Davern et al., 2017; Gunn et al., 2017a). A lack or unreliability of public transport and an absence of proximate access to everyday services and destinations does not support active transport as a feasible transport alternative, with most suburban residents travelling by car on congested roads to access key destinations (Delbosc, 2016). This means that transport costs are externalised to households exacerbating transport inequities and increasing health disparities between residents of established, well-serviced areas and those attracted to more affordable housing on the urban fringe (Zapata-Diomedi et al., 2019; Currie, 2010; Badland and Pearce, 2019). To address these inequities and support healthy behaviours, it is critical to deliver transport and social infrastructure that supports active transport, early on in the lifetime of new growth areas to encourage healthy behaviours when people move in (Cao, 2015; Wang et al., 2016; Krizek, 2003; Kamruzzaman et al., 2020).

Planning policies and guidelines are critical to the early delivery of health supporting and sustainable infrastructure in growth areas since they typically provide information on how to design new growth areas. However, recent research in Australia shows that there is a discrepancy between planning policies and guidelines and their implementation on-the-ground (Hooper et al., 2014). For example, some planning policies are not well defined nor are they based on research evidence, potentially hampering efforts to deliver healthy, liveable cities (Arundel et al., 2017). More detailed research is required to identify the specific policy mechanisms that enable the implementation of healthy, liveable cities and to quantify and assess whether places in new growth areas are healthy and liveable, as envisaged by the policy guidelines.

In Melbourne, Precinct Structure Plans (PSP) have been developed over the last decade as instruments seeking to integrate and organise planning processes for new growth areas (GAA, 2013; Kroen et al., 2018). However, to date, the extent to which these plans reference built environment features, which are linked to walkability features, are yet to be analysed. Walkability is associated with walking, cycling and public transport use, as well as greater street connectivity and mixed land uses (Boulange et al., 2017; Kroen, 2019; Cervero and Kockelman, 1997). In this study a policy review and content analysis of PSP Guidelines is completed to establish the role of policy in delivering built environment features (e.g., shops, schools, and transport) that support active transport and walkability. Once identified, these built environment features are quantitatively and spatially assessed using Geographic Information Systems (GIS) analysis providing place-based evaluation of access to transport and social infrastructure. This assessment is also combined with social survey results collated from people living in growth areas allowing measurement of the impact of a lack of transport access and social infrastructure on health and wellbeing.

With these multiple methodological approaches this research aimed to measure the health and wellbeing impact of transport and social planning policies, on residents living in growth areas. More specifically, the research explores if policies explicitly mention active transport and social infrastructure, and whether such infrastructure is delivered on-the-ground. It seeks to demonstrate the impact of infrastructure delivery on the health and wellbeing of residents, consequently providing an evidence base for future policy development and the encouragement of timely delivery of transport and social infrastructure.

The research presented in this study uses two new master planned estates as case studies from western and south-eastern areas of Melbourne, Victoria: the Allura estate associated with the Truganina South PSP located in the west; and the north section of the Cranbourne East PSP known as Selandra Rise located in the south east. Selandra Rise provides a contrast to Allura – it was originally developed as an example of a health promoting residential development designed as a walkable suburb that has now been fully developed with improved transport options (Delbosc et al., 2015; Giles-Corti et al., 2016).

Section snippets

Policy: Review of precinct structure planning guidelines

This analysis reviewed the Victorian PSP Guidelines, a document which provides “guidance on the integrated planning of new urban areas in greenfield locations” (Victorian Planning Authority, 2019) which assist in the production of Precinct Structure Plans (PSPs). PSPs are predominantly prepared by the Victorian Planning Authority (VPA) which is the state agency responsible for managing land use planning for specified areas in the state of Victoria, Australia. PSPs: provide a framework for

Policy: Inclusion of active transport options and built environment features conducive to healthy behaviours and outcomes

Many of the built environment features, standards and design responses introduced in the policy methods section above were mentioned in the Victorian PSP Guidelines reviewed in this analysis as summarized below.

Discussion

This paper aimed to review Victorian PSP Guidelines and to quantify and assess growth areas for their adherence to this planning policy. Resident perceptions on the importance, satisfaction and health and wellbeing implications of access to social and transport infrastructure were presented. Overall, we found that PSP Guidelines support planning for active transport options and access to key social and transport infrastructure (Saelens, 2008; Wang et al., 2016; Gunn et al., 2017a; Ewing and

Limitations

The datasets used to produce the GIS measures may not contain all available data-points, particularly for Allura which is still under-going development at the time of writing, potentially leading to increased and more variable distances to these destinations. Combined primary and secondary schools were not considered in the analysis of distance to schools, and this omission did preclude identification of at least one private school located proximal to Allura; a post-office known to be located

Conclusion

This research has uniquely brought together three aspects to urban policy and health by investigating the quantification and implications of policy on new urban development and the ultimate outcome of resident health and wellbeing. Efficient and effective public policy and urban planning must continue to make tangible and practical links using the strengths of academic research. We hope that the descriptive findings and novel methodologies presented can be useful in shaping and influencing

Funding declaration

AK, MD, LDG and TS are supported by the RMIT University Enabling Capability Platform Opportunity Fund. LDG, CH and TS are supported by the NHMRC funded Centre for Research Excellence in Healthy Liveable Communities (#1061404) and the NHMRC funded Australian Prevention Partnership Centre (#9100001). MD is supported by the Clean Air and Urban Landscapes Hub – National Environmental Sciences Programme. CDG is supported by an RMIT University Vice-Chancellor’s Research Fellowship.

Authors’ contribution

LDG and AK conceived the research for this manuscript. LDG, AK, CDG, CH and TS conducted the analyses. All authors drafted the manuscript. All authors contributed to data interpretation, added intellectual content, commented on drafts and approved the final version. All authors read and approved the final manuscript.

Declaration of competing interest

The authors declare they have no actual or potential competing interests.

Acknowledgements

The authors would like to thank the Project Advisory Group for their helpful contributions to this research and the assistance in providing additional analytical support of Afshin Jafari. Spatial data have been provided by the Australian Urban Observatory (auo.org.au) and Healthy Liveable Cities Group, Centre for Urban Research, RMIT University with funding support provided through the NHMRC funded Australian Prevention Partnership Centre, NESP Clean Air and Urban Landscapes Hub and NHMRC

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