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Published on: January 20, 2023
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Growing urban bicycle networks
Michael Szell1,2,3, Sayat Mimar4, Tyler Perlman4
1NEtwoRks, Data, and Society (NERDS), IT University of Copenhagen, 2300, Copenhagen, Denmark. misz@itu.dk.
Scientific Reports
|April 27, 2022
Summary
Investing in urban bicycle networks requires a strategic growth approach. Persistent investment is crucial to reach a critical mass for sustainable transportation and overcome initial diminishing returns.
Area of Science:
- Urban planning
- Transportation science
- Network analysis
Background:
- Unsustainable urban transport systems necessitate sustainable solutions like cycling.
- Current bicycle network development is slow, fragmented, and overlooks network complexity.
Purpose of the Study:
- To systematically explore the topological limitations of urban bicycle network development.
- To identify optimal growth strategies for sustainable urban bicycle networks.
Main Methods:
- Analysis of synthetic bicycle network growth variations across 62 cities.
- Routing networks on existing urban street infrastructure.
- Evaluating network development based on investment and topological properties.
Main Results:
- Initially decreasing returns on investment were observed until a critical threshold.
- A critical mass of network development is necessary for effectiveness.
- Modelled networks showed significant overlap in cities with established bicycle infrastructure, validating the approach.
Conclusions:
- Sustainable urban planning requires strategic and persistent investment in bicycle networks to achieve critical mass.
- The proposed model offers a generally applicable method for bicycle network planning with minimal data needs.
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