... sequence to get this was: Opened TDV without loading previous work. Gauge 18.83mm S4/P4 Geometry- straight Template- convert turnout to half-diamond Real- K crossing options- K-crossing check rails Size 1 check rail length- 144 Size 2 check rail length- 144 Modify MS& DS check rail end by zero Flared length on K-crossing check rail ends- 12.0 OK As I said, I repeated the exact sequence (allowing for the slight menu differences) in 0.91c and it looks like this: 105_271427_350000000.png The difference is plain to see! posted: 28 May 2011 08:26 from: Martin Wynne Alan McMillan wrote: just keep increasing and decreasing the F5 angle thus making the checkrail appear and disappear and you'll hopefully see it do its dance! Thanks Alan. The check rail end mark is failing to be removed when it falls out of scope. I've looked at it several times and still can't find the bug -- but I will eventually. Thanks for reporting it. Martin. posted: 28 May 2011 08 ...