... Richard_Jones Hi, I've got involved in yet another project!- Not sure yet whether it will turn into a complete layout, but at present it is planned as a diorama from the road overbridge to the end of the platforms.... My question is- shouldn't there be trap points on both the up& down mains at the respective ends of the platforms to prevent over-runs?- Wouldn't that be a basic BoT requirements, otherwise how did this joint GW& LNWR line get away with it? undefined 1763_031617_480000000.jpg posted: 3 Dec 2014 23:00 from: Martin Wynne Hi Richard, Generally traps are provided only on Goods lines. Passenger loops on single-track lines wouldn't normally have trap arrangements. Here for example is Rubery on the Halesowen Railway: RuberyStnfromDownHome.jpg© D J Norton. Image linked from this excellent site: http://www.photobydjnorton.com Cue a space for a catalogue of exceptions: Notice also in this pic the classic arrangement of yard access via a diamond crossing to ensure a trailing access into the yard instead of ...