... . I have had a go but not got anywhere, so how would I do this if it is possible? And if I'm rethinking it, to go back a stage and do what I should have already done, is it possible to say from a photo what the K crossing angle is? Cheers Julian 3591_081037_270000000.png 3591_081040_030000000.png Attachment: attach_3187_3831_15_October_back_u p.mecbox 9 Last edited on 8 Dec 2020 16:09 by Julian Roberts posted: 8 Dec 2020 18:15 from: Martin Wynne Hi Julian, Drawing straight lines on your photo: 2_081258_190000000.jpg shows that this is a straight regular diamond between the V-crossings. The V-crossings are then curved slightly to match the connecting tracks. Trying on the old map suggests that it is 1:8 CLM: 2_081302_020000000.png (but the photo is obviously much later than the map, so may not be a match). It is extremely likely that the V-crossings are also 1:8 CLM regular, and they can't physically be much different in the space available anyway. To curve them to the connecting ...