Pedestrian Infrastructure and Urban Walkability

Pedestrian infrastructure and urban walkability lie at the heart of sustainable, healthy and equitable cities. This field examines how the design, connectivity and quality of sidewalks, crosswalks, public spaces and streetscapes influence people’s decisions to walk for daily needs, recreation and commuting. Walkable environments are characterised by safe and continuous pavements, permeable street networks, human-scale design features and the presence of trees, seating and wayfinding elements. High walkability is linked to improved public health outcomes, reduced traffic congestion, lower greenhouse-gas emissions and enhanced social interaction. In recent years, research has broadened to encompass both objective metrics—such as network density, pavement width and intersection spacing—and subjective assessments of comfort, aesthetics and perceived safety. Interdisciplinary approaches now combine spatial analytics, behavioural surveys, virtual reality simulations and participatory planning tools to capture the multifaceted nature of pedestrian experience. Globally, cities from Europe to Asia and the Americas are drawing on these insights to retrofit streets, reallocate road space and integrate walking into wider transport and public-realm strategies. As urban populations age and climate concerns intensify, understanding and enhancing walkability is an urgent priority for planners, policymakers and communities.

Research from Nature Portfolio

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Pedestrian Infrastructure and Urban Walkability publication trend

The graph below shows the total number of articles in pedestrian infrastructure and urban walkability across all publications each year (not limited to Nature Index journals).

Technical terms

Walkability: The degree to which the built environment encourages walking by providing safety, comfort, connectivity and accessibility.

Pedestrian Level of Service (PLOS): A composite indicator of walking conditions, often including speed, density, delay, safety and user perception.

Conjoint Analysis: A survey-based statistical technique that assesses how respondents value different attributes of a service or environment by presenting hypothetical combinations.

Virtual Urban Living Lab (VULL): A digital or mixed-reality platform enabling stakeholders to visualise, prototype and evaluate urban interventions before physical implementation.

Stated Preference Survey: A method where participants choose between simulated scenarios designed to reveal underlying preferences for design features or policy options.

References

1. How to develop the walking environment for its ‘consumers’? A conjoint answer derived from people's perception of link and network. Sustainable Cities and Society (2024).
2. People as planners: Stakeholder participation in the street experimentation process using a virtual urban living lab. Journal of Urban Mobility (2023).
3. Evaluating pedestrian perceptions of street design with a 3D stated preference survey. Environment and Planning B Urban Analytics and City Science (2020).