UPDATE Sunday 10.31.21
The Missoula County Sheriff office reports Highway 200 near Paws Up reopened late Saturday night.
The speed limit is reduced to 35 mph.
Expect delays due to the reduced speeds and loose gravel.
Highway 200 has closed Saturday afternoon in both directions at mile marker 25 for a fluid spill.
Responders are on the scene.
It's unclear when the road will reopen.