Complex sentence: There are two signal boxes, Boat of Garten North and Boat of Garten South and signalling uses traditional British Railways mechanical semaphore signalling; it is the crossing point on the line when there are two trains running.
Split into simpler sentences: There are two signal boxes, Boat of Garten North and Boat of Garten South and signalling uses traditional British Railways mechanical semaphore signalling. It is the crossing point on the line when there are two trains running.