... Shaun Attachment: attach_248_365_Highbridge_2a.box 360 posted: 15 Mar 2008 12:24 from: Martin Wynne Hi Shaun, Many thanks for sharing your file. I noticed that you have an instant reverse curve in the running line at: highbridge1.png Generally it looks much better and will give better running if you replace that with an S-curve transition -- even a short transition is better than none at all. It requires only a slight reduction in the radius of one or both of the templates to make room for a transition curve: highbridge2.png regards, Martin. posted: 15 Mar 2008 19:26 from: whywaite Martin thanks for the advice I haven't used that facility before but will give it a try tonight. It certainly looks better. I can see where I have gone wrong by compressing the original plan on the left/ west part I have made a S curve. I am also looking at removing 12 to 18 inches of the approach tracks on the up& down main to ease the curve on the right to 60" from 48". ...