Do airports use automated ground operation systems?
Advance Surface Movement Guidance &amp; Control Systems (ASMGCS) in different levels are being used for this purpose.  Many airport in the world uses the concept of Follow Green, where the aircraft is supposed to follow the green taxiway centre line lights to reach the parking stand after vacating runway and vice versa.  Surface Movement Radars combined with MLATs aid for these purpose.  

You can find more information on this from ICAO Doc 9830.