NA and EU PS4, Xbox One, and PC Defiance 2050 servers will be unavailable for a scheduled daily restart at 2:00 AM PT (For NA) and 3:00 AM GMT (For EU). The estimated downtime for each maintenance is one hour. In-game messaging will be broadcast in advance of the downtime.
Fast Travel is a way of instantly travelling from one part of the world to another.
Once you discover the fast travel points by going near them you can use them from the main map by clicking on the blue icon.