... now needs to be extended to fit the previous space -- more info at: http://templot.com/companion/link_existing.php cheers, Martin. posted: 4 Aug 2019 16:17 from: Terry Schroeyens Thanks Martin, It worked (eventually). So much track extension and curving were needed to avoid intersections. Terry posted: 5 Aug 2019 11:40 from: Martin Wynne Having posted the above explanation so many times over the years, I have now added it to the error message in the program: 2_050635_080000000.png In the next program update. I could do the same in many places in the program, but it involves hours and hours of work. cheers, Martin. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Baffled beginners> Transition curves about Templot Club Templot Companion- User Guide- A-Z Index Templot Explained for beginners Please click: important information for new members and first-time visitors. indexing link for search engines back ...