Night Disruption

[Volcano Man]

Most likely the "problem" is that you are moving through hexes where either the road stacking limit is either exceeded or the urban hex is rubble, more likely the former though. If that is the case then yes, it is not a bug.

The ship movement getting disrupted sounds like a bug though -- it is not an OOB issue. Between now and when that is addressed, just avoid moving ships at night for now. I mean, they move so fast anyway, there is really no reason they cannot do all of their movement during the day. Not the answer you want to hear I am sure, but just suggesting a way to deal with it in the mean time.