It’s interesting to see that the University of Melbourne has a Google Map of where their digital signage screens are located in their campus. In total (based on the information on the map) the University has 43 LCD screens and 1 Projector as part of their digital signage infrastructure. What’s more interesting is that they are using the NDS PADS system (based on a URL I discovered). The University uses this system to promote university events and initiatives to staff and students.
Here’s a map of their digital signage screens: