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Purpose – This chapter analyses the various themes connected with cycling's current situation and future prospects which have emerged through the previous 10 chapters, and elaborates the need for a ‘bicycle system’ which is capable of achieving a ‘revolution’ in cycling.

Approach – The chapter draws on previous chapters, as well as the results of recently completed research into the state of cycling across urban England.

Findings – Cycling remains marginalised, but its current rise in status across some of the world's cities offers grounds for optimism about its future contribution to sustainability objectives. The bicycle's rise in status is currently both elitist and, potentially, a passing fashion; the challenge is to make it both more democratic and durable.

Practical implications – In the mould of ‘common endeavours’ outlined in the World Commission Report on Environment and Development ‘Our Common Future’, the authors propose building a ‘bicycle system’ to ensure the bicycle can play a full role in the transition to (especially urban) sustainability and outline possible principles for, pathways towards, and components and characteristics of, a bicycle system.

Social implications – The chapter aims to influence broader debates, and importantly it needs to influence political discourse, about the changes required to assist in the transition to greater urban transport sustainability, and specifically to discourage car use whilst encouraging use of the bicycle for short urban journeys.

Value of paper – The authors provide an analysis of the current constraints on cycling, and a case for simultaneously assembling a ‘bicycle system’ as the means of transitioning urban transport towards sustainability, whilst at the same time disassembling the current system that allows cars to predominate.

Transport shapes the health of urban populations. It can support healthy behaviours such as participation in regular physical activity and access to community connection. Transport systems can also have major negative impacts on health. For example, through air pollution from fossil fuel-based modes of travel, the risk of injury and death from transport related collisions, and in the way sedentary modes of travelling can contribute to less physically active lifestyles.

This chapter considers the long-term impact of the pandemic on a series of well-researched transport-related health outcomes. It first describes the established connections between transport and health. It then considers the future implications of three potential pandemic-induced shifts: the increased uptake of working from home (WFH); decreased usage of public transport and increased interest in walking and cycling in the local neighbourhood. The impacts of these shifts on the transport-health nexus are then discussed, revealing both positive and negative outcomes. The authors conclude by providing policy recommendations to mitigate possible negative outcomes and strengthen the positive consequences into the future.

Purpose – The chapter reviews the relationship between cities, urban form and cycling and identifies generally accepted understandings, issues about which more remains to be known and some prescriptions for future action.

Approach – The discussion is based on evidence drawn from the cycling literature and from primary data collected by the authors.

Findings – Land use patterns and densities have an impact on the level of cycling and, despite some remaining methodological difficulties, it appears that cities which invest in infrastructure for cycling display greater levels of cycle use. Issues which remain in contention and require further analysis include the balance between provision for cycle traffic which is separated from motor traffic and the nature of that provision, the extent to which cycle traffic may directly substitute for trips by motor vehicle and the complexity of estimating the benefits of cycling.

Implications – Planning for cycle traffic needs to be undertaken on an area wide basis and synergistically with traffic management for motor traffic, and such planning should have due regard to the distances for which cycling is most competitive. There remains untapped potential for chaining cycle trips with public transport trips.

The mid-1990s marked a paradigm shift in the way physical activity is promoted, and walking is now considered the most suitable type of physical activity for widespread promotion. Accurate measurement underpins public health practice, hence the aims of this chapter are to: (1) provide a typology for the measurement of walking; (2) review methods to assess walking; (3) present challenges in defining walking measures; (4) identify issues in selecting instruments for the evaluation of walking and (5) discuss current efforts to overcome measurement challenges and methodological limitations. The taxonomy of walking indicates that secondary purpose walking is a more complex set of behaviours than primary purpose walks. It has many purposes and no specific domain or intensity, may lack regularity, and therefore poses greater measurement challenges. Objective measurement methods, such as accelerometers, pedometers, smartphones and other electronic devices, have shown good approximation for walking energy expenditure, but are indirect methods of walking assessment. Global Positioning System technology, the ‘Smartmat’ and radio-frequency identification tags are potential objective methods that can distinguish walkers, but also require complex analysis, are costly, and still need their measurement properties corroborated. Subjective direct methods, such as questionnaires, diaries and direct observation, provide the richest information on walking, especially short-term diaries, such as trip records and time use records, and are particularly useful for assessing secondary purpose walking. A unifying measure for health research, surveillance and health promotion would strongly advance the understanding of the impact of walking on health.

This chapter introduces how the built environment and walking are connected. It looks at the interrelationships within the built environment, and how those are changing given planning and policy efforts to facilitate increased walking for both leisure activity and commuting. Using a broad review and case-based approach, the chapter examines this epistemological development of walking and the built environment over time, reviews the connections, policies and design strategies and emerging issues. The chapter shows many cases of cities which are creating a more walkable environment. It also reveals that emerging issues related to technology and autonomous vehicles, vision zero and car-free cities, and increased regional policy may play a continued role in shaping the built environment for walking. This dialogue provides both a core underpinning and a future vision for how the built environment can continue to influence and respond to pedestrians in shaping a more walkable world.

Purpose – This chapter provides a think piece on economic evaluation and policy for cycling. Bicycle investments are often motivated by a desire to improve health, the environment and congestion conditions. However, we argue that since the bicycle is a part of the transport system, it should be evaluated as such. Focusing on implications for cycling appraisal in general, we also discuss two conflicting trends in Stockholm: a sharp decrease in cycling in the outer areas, and a sharp increase in the inner parts.

Methodology – We use (i) travel survey data to analyse the potential to reduce congestion through improvements for cyclists, (ii) travel survey data from 1986 to 1987 and 2004 and bicycle counts over 25 years and (iii) a value of time survey of Stockholm cyclists including questions of exercise habits.

Findings – Additional benefits in appraisal from reduced car traffic and improved health seem to be small. Given bicyclists’ high values of time and low investment costs, bicycling investments are still likely to be socially beneficial. The conflicting bicycling trends can be explained by (i) increased road congestion and improved bicycle infrastructure, (ii) increased visibility of bicyclists generating a ‘positive spiral’, (iii) increased interest in physical fitness and changes in the relative prices of cars versus central residences turn cycling into a high-status mode and (iv) in peripheral areas, increasing distances and less dense land use patterns decrease cycling levels.

Practical implications – The results underscore the need for dense, mixed-use spatial planning and ‘smart’ marketing using the effects of cyclist visibility to reinforce the ‘status’ of cycling.

Purpose – This chapter reflects on the role of cycling in India, Sub-Saharan Africa and Latin America, discusses and compares explanatory factors of cycling behaviour and provides three methods of spatial analysis that can feed into local transport policy and planning.

Approach – The chapter compares important relevant contextual issues and challenges and presents examples of ongoing research on three continents.

Findings – The findings are in the first instance methodological in nature. Methods have been developed to assess the effect of barriers on access by bicycle, to quantify the avoided carbon emission associated with cycling and to help plan a demand-based cycling network.

Practical implications – Three different spatial analysis methods are presented: the planning of new bicycle infrastructure, the evaluation of existing cycling in terms of avoided carbon emission and the role of the physical environment in levels of cycling accessibility. The methods can be easily replicated and integrated into transport policy and planning at the local level.

Social implications – Effective cycling-inclusive planning in developing countries is expected to lead to higher levels of cycling that positively affect people's welfare, health and the environment.

Value of chapter – The chapter affirms that a thorough understanding of physical, social, economic and cultural factors of the developing city context are important in effective cycling-inclusive planning. It provides three relatively simple and replicable methods that are considered particularly appropriate for data scarce developing cities.

This chapter focusses primarily on the short-term measures and policy reactions of transport operators and regulators to the COVID-19 pandemic throughout 2020/2021 (such as the introduction of physical distancing and mask wearing) but also considers those policies which directly influence public transport (such as parking management and working from home). Emphasis is placed on the experience in a number of jurisdictions to identify the influence of varying governmental level responses to the pandemic. The approaches of different jurisdictions are compared using a narrative approach to help identify policy narrative elements by policy actors as the pandemic unfolded. Such an approach enables us to focus on how decision-makers can learn from the COVID-19 experience to better react to future unexpected incidents. In identifying the future policy implications and challenges, the chapter suggests that strategic planning will need to respond to both the ‘current normal’ and the ‘next normal’, and will require flexibility and tight integration between urban planning and public transport planning, as well as private transport and long-distance transport. The chapter also highlights the importance of learning from the experience of other jurisdictions and disciplines (such as disaster management) and offers suggestions for further research.