As the first lockdown started on 23 March 2020, the analysis was based on data from periods 1 and 2 of 2020 (1 April to 30 May) and a comparison made with the same two periods from the three previous years. Other qualitative data was gathered from human factors workshops with station managers and driver managers. This added to the picture from the analysis of the SMIS data.
The data analysis identified eight key findings.