In the wake of COVID-19, traffic congestion dropped but crash severity soared phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Studying speed, traffic and crash data on California highways during the initial COVID-19 response, CU Boulder researchers found that the frequency of severe crashes increased due to lower congestion and higher speeds.