Club Ferroviaire du Pays de l'Alzou CFPA-LANUEJOULS
     The TGV youth network (scale HO) 

TGV layout
On two levels, a double track allows two trains to evolve while crossing each other :
The operation

An optical control board (OCT) makes it possible to circulate the trains.
It has two transformers, buttons to change the switches and to feed the cantons of the station.
Other switches control the elements of the funfair.
The TGV station  
The underpass
The funfair            
The four TGV trains