The governor just issued an executive order banning non-essential travel of state employees under his direct authority. UC is not under his direct authority but the order contains the following language:
IT IS REQUESTED that other entities of State government not under my direct executive authority conduct an analysis to determine the discretionary nature of their travel in order to reduce unnecessary costs.
The full order is at http://www.gov.ca.gov/news.php?id=17008
Exactly what UC will do in response is not known at this time. But you might assume UC travelers will be lonesome as fewer folks take trips: