The COVID-19 outbreak and Michigan's stay-at-home orders immediately changed the number of trips our residents made in spring 2020. The Apple Mobility Trends Report shows the relative volume of direction requests per county compared to a baseline volume on January 13, 2020. Data is sent from users' devices to the Apple Maps service and is radomized to protect privacy. ( Apple is not longer updating data since April 14th, 2022 )
SEMCOG analysis of Apple Mobility Trends Reports.