Event based restrictions
Sometimes for major events and after major emergencies (wildfires, hurricanes, flooding) there are roads that are open to residents but not to the general public.
I would suggest something that can be applied like a real time closure, but acts more like setting the road to private so it allows routing onto the segment but not through the segment.
This may be related to Permanent Hazards instead, but however it is implemented it should not require a tile update.
Another suggestion that is similar