Summary
COVID-19 had a huge impact on public transport use in 2020. But it was vital that those who needed to continue using the public transport system felt confident about doing so, and wore a face covering whilst travelling.
To achieve this, the Department for Transport asked us to develop and test effective interventions underpinned by insights from the behavioural science literature. DfT needed fast, reliable evidence of what would work best, to enable immediate implementation. This was no easy behaviour-change task: wearing a face covering is a choice driven by in-grained and spontaneous influences, and people with exemptions also...