Unless they have their daily dose of inspiration and creativity, nothing is going to change in the way of new routes. 
It just isn't something they tend to do.

There's so much they can do (whether it be using the data the machines generate) or actually getting on the ground and talking to people (starting with car drivers) to find out.

I'm sure there was a NEbus survey at some point fairly recently.
No idea what was done with the data though.