If you have sufficient user privileges, you can set a work queue as Offline and have any work items assigned to it automatically forwarded to another queue.
To do this:
The Work Queue Management page opens.
The page expands to include the redistribution options.
Note: If you also want to move new Risk work items from the forwarding queue to the round robin where they will be redistributed to associated round robin queues, select the Redistribute Queue's New Work Items to Round Robin check box.