There’s always the catch-all “driving too fast for conditions”. Maine has a basic speed law in addition to the speed limits.

“ An operator shall operate a vehicle at a careful and prudent speed not greater than is reasonable and proper having due regard to the traffic, surface and width of the way and of other conditions then existing.”

https://www.mainelegislature.org/legis/statutes/29-a/title29-asec2074.html