A fine (but unfinished) route at version 0.91 that has no activities yet. Considering the amount of urban and suburban scenery, the frame rates are quite good.
The closest I have to an activity is a MSTS Introductory Train Ride from Epping into the city, through the City Loop and back to Epping.
The curious can see a few pics of the Melbourne cityscape at: https://www.trainsim.com/vbts/showth...00#post1857800 , then scroll down a bit to see the underground stations.