Lovelace, Robin, Anna Goodman, Rachel Aldred, Nikolai Berkoff, Ali Abbas, and James Woodcock. “The Propensity to Cycle Tool: An Open Source Online System for Sustainable Transport Planning”. Journal of Transport and Land Use 10, no. 1 (January 1, 2017). Accessed October 27, 2021. https://www.jtlu.org/index.php/jtlu/article/view/862.