Some years ago I added a relief line to Tedford so it has 3 loops but this was only signalled in one direction. Recently I’ve made it bi-directional with 3 aspect signalling for the most common direction and 2 aspect the other way. With some help from a couple of friends who work for Network Rail I’ve been able to do this reasonably authentically with bi-directional AWS ramps and a distant signal (green or yellow only) for reverse running.
