There were fewer drivers and crashes on Michigan roads last year, but more traffic-related deaths. .
State Police say relaxed enforcement by local police departments could be responsible for the increase along with pandemic frustration among drivers.
Deaths on Michigan roads were up 7 percent in 2020 despite 18 percent fewer drivers.
Police say seatbelt use was also down while spinout crashes were up, which led to more people being ejected.
Drug and alcohol use could also be factors.