Block post
Type of signal box in railway signalling / From Wikipedia, the free encyclopedia
A block post in railway signalling is the signal box at one end of a block section.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/6/62/Hindenburgdamm_01.jpg/320px-Hindenburgdamm_01.jpg)
A block post in railway signalling is the signal box at one end of a block section.[1]