Sustrans adapts software to help design streets for inclusive cycling

Sustrans has adapted the AutoTURN software to help engineers and town planners design streets that make cycling convenient and accessible for more people.

The software, which until now has been used to analyse and accommodate movement of motor vehicles, simulates accurate real-life movements of people who cycle. This helps identify potential barriers on paths and ensure smooth flow and turn for different types of cycles, including tricycles, tandems and cargo bikes.

As a result, engineers get real-time feedback at the design stage on whether a path or a cycle track is accessible and practical for different types of cycles.

Giulio Ferrini, head of built environment at Sustrans, said: “The lack of consistent, high-quality cycling infrastructure across the UK means that many people don’t see cycling as an everyday means of transport. Currently, only 7% of disabled people cycle in the UK but 33% would like to start.

“We believe this tool can play an instrumental role in opening up cycling to more people, as it clearly displays in a user-friendly way how different cycles move through space and their varying space requirements. This will ensure that local authorities and partners design streets and urban environments that are more practical, accessible and inclusive.”

To help assess the turning characteristics of cycles, Sustrans carried out a series of field tests to determine a cycle’s manoeuvrability when turning, including how quickly someone can steer from a straight-line path into a curve, how fast someone can travel around a tight bend, and how far they need to lean to do so.

Isabelle Clement, director of Wheels for Wellbeing, added: “Too often we find that cycle infrastructure fails to accommodate the needs of non-standard cycles, which not only excludes many disabled cyclists but also family and freight cyclists who use larger cycles.

“With this exciting new piece of software, however, we have something that could radically change designers’ perception of cycling, and which could ultimately lead to more accessible and inclusive cycle infrastructure.”

Sustrans designers are currently using AutoTURN to ensure that their designs are accessible and practical for more people. The bike simulation tools will be commercially available next year.

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