Here is a MEGA Lego TRAIN track layout which consists of:

1200+ track pieces (sets 7499, 7895)
10 train engines (sets 60051, 60052, 60098, 7938, 7939, 10233)
90 carriages (sets 60051, 60052, 60098, 7938, 7939, 10233)
17 stations (sets 60050 & 7937)
10 cranes (set 60052)
8 modular buildings (sets 10251, 10243, 10182, 10185, 10211, 10232, 10224, 10197)

This took 2 hours to setup. There is lots of live footage coming soon. Please subscribe to be the first to see it :-)