I can only tell you one thing:
The signboards of the station name, is universal. So if you put
this psd code in Dhoby Ghaut with the signboard's name "Dhoby
Ghaut", and then you put the same psd code in Bras Basah, the
signboard's name will still be "Dhoby Ghaut".
I suggest, making a new folder, and then the station name, and
then a psd folder in it, then change respectively.
I agree with you 





.
Looking at my object code is given as a whole, with each folder
specifying different PSD.animated will know what I meant.