Abbreviated term for One Train WorkingMethods of signalling a Single Line, where only one train is permitted at a time: • with a Train Staff [OT(S)] • without a Train Staff [OT]. without a Train StaffA particular type of Token..
The site for Miniature and model signalling!
Abbreviated term for One Train WorkingMethods of signalling a Single Line, where only one train is permitted at a time: • with a Train Staff [OT(S)] • without a Train Staff [OT]. without a Train StaffA particular type of Token..