This is HO.
This auction includes
Coaling station 2808 that is complete
Switch tower 2619
Freight station 2610 missing front door
A bag of street signs, a signal bridge that looks to be complete.
and some other parts from a suburban station.
The instruction sheets for all 4 buildings are included along with
some misc people and crates.
All of these items were mixed together in the same box.