SEMCOG collects traffic crash data from the Michigan State Police, Criminal Justice Information Center (CJIC). Traffic crashes are classified by severity: fatal, serious injury, minor injury, possible injury, or no injury. Serious traffic crashes endanger the lives and livelihoods of our residents. A safe transportation network is necessary for a healthy and vibrant region.
Fatal and serious injury traffic crashes jumped from just under 2,061 in 2019 to 2,346 by 2021; and in 2023, they remain elevated at 2,268 (an increase of 10% over 2019).