I have never taken my dogs on the bus, but I did once have a driver ask if we needed a ride.
Regarding dogs at the Settlement. I remember there used to be signs which read dogs were not permitted in the area.
One day during a post-Covid trip, we were walking the dogs and a Fort manager type person came up to us and told us to make sure we checked out the food truck roundup at the Settlement. I said we would once we took the dogs back to the camper, she said to bring the dogs with us as they were welcome in the Settlement area now. We went ahead to the Settlement and saw quite a few dogs there. We’ve seen dogs in that area on several trips now.