Bill R. on 9/17/2024 2:13:44 PM:
https://mostateparks.com/page/57944/general-information#uses
"All motorized vehicles other than official or emergency vehicles are prohibited. Electrically assisted pedal-powered bicycles and tricycles (maximum speed of 20 mph) are allowed. Also allowed are electrically powered mobility devices for people with disabilities, such as Segways and electric golf carts."
If in doubt still: 800-334-6946
But I think it's pretty clear.