There is a series of posts in which I attempt to summarise my observations of railway signalling on Myanma Railways.
Railway Signalling in Burma - Part 1: Semaphore Signals.
Railway Signalling in Burma - Part 2: Colour Light Signals & Motor Points.
Railway Signalling in Burma - Part 3: Control of Trains.
Railway Signalling in Burma - Part 4: Manual Control of Points and Interlocking.
Railway Signalling in Burma - Part 5: Signal Boxes with Interlocking Frames.
Railway Signalling in Burma - Part 6: Signal Boxes with Electrical Interlocking.
Railway Signalling in Burma - Part 7: Telecommunications (in preparation)