Li et al., 2021a , Heydari et al., 2021 concluded that the introduction of lockdown measures led to a significant drop in BSS usage in the short term in London but observed an increasing trend afterwards.
1
—
—
Li et al., 2021a , Heydari et al., 2021 concluded that the introduction of lockdown measures led to a significant drop in BSS usage in the short term in London but observed an increasing trend afterwards.