The document discusses the impact of COVID-19 on public transportation systems. It notes that lockdowns led to a 50% reduction in global road transport and 75% reduction in commercial flights in March 2020. Public transport saw major economic losses and faced challenges in ensuring social distancing among passengers as ridership returns. Solutions discussed include proposed tracking systems to monitor passenger volume, recommendations like open-air transport options, and safety measures such as mandatory masks and improved ventilation to facilitate increased use of public transportation amid the pandemic.