Edited by Susan Hanson, Clark University, Worcester, MA, and approved February 18, 2021 (received for review November 26, 2020)Active travel makes people healthier and creates a wide range of additional social and environmental benefits. The provision of dedicated infrastructure is considered a crucial policy to increase cycling. However, evaluating the impact of this type of intervention is difficult because infrastructure changes are typically slow. The rollout of so-called pop-up bike lanes during the COVID-19 pandemic is a unique empirical context to estimate the pull effect of new...…Edited by Susan Hanson, Clark University, Worcester, MA, and approved February 18, 2021 (received for review November 26, 2020)Active travel makes people healthier and creates a wide range of additional social and environmental benefits. The provision of dedicated infrastructure is considered a crucial policy to increase cycling. However, evaluating the impact of this type of intervention is difficult because infrastructure changes are typically slow. The rollout of so-called pop-up bike lanes during the COVID-19 pandemic is a unique empirical context to estimate the pull effect of new...WW…