Covid infection fears will 'drive a deadly surge in toxic car use' as more parents use their motors for school runs, study claims Some 23% of school leaders believe more parents will be using cars for the school run over concerns about new waves and variants of infections DfT figures showed a rise in car usage shortly after schools reopened in March Latest ONS stats show road traffic at 91% of the level seen before the pandemic Another study found half of pupils are worried about air pollution around schools