Cars park improperly substantially more than scooters or bikes

Micromobility devices, such as scooters and bicycles are sometimes portrayed as scattered about in the public right- of-way, impeding everyone. Looking at the entire right-of-way, how much are bicycles and scooters actually culpable for obstruction? A new paper examines improperly parked scooters, bicycles, and motor vehicles, finding that the biggest offenders are actually motor vehicle drivers.