... Rich Edit: Added Templot File Attachment: attach_2266_2872_160416-Marsh_Lane_Yard_Ver2.box 357 Last edited on 27 Apr 2016 21:15 by RK posted: 27 Apr 2016 21:58 from: Martin Wynne Hello Rich, Welcome to Templot Club. You have some close-spaced sharp curves there for a main-line layout in 0 gauge. For example the inner curve here is under 4ft-6in radius. Templot has a dummy vehicle tool for checking clearances, and unfortunately as you can see you have some significant conflicts on these curves: 2_271638_330000000.png It does depend on the actual size of your rolling stock of course. Short 4-wheel coaches may clear on these curves, but bogie stock would need to be very narrow to clear. I notice also that you are using the traditional GOG-F track standard. Most track builders in 7mm scale have abandoned this nowadays in favour of the 0-MF standard (31.5mm gauge, 1.5mm flangeways). This gives much improved running through pointwork with modern wheels such as those supplied by Slaters, while still accepting older ...