... require check rails, like this (this is a double slip). But it means extra point motors are needed: 00sf_dslip6_movablek.png There is a long discussion about this subject and more diagrams in this previous topic. However, you have made matters worse by using the 1:32 slip switches intended for 1:7 diamonds. These are 1:6 diamonds, so the 1:24 slip switches are more suitable. I changed them, and it gains you a bit more space for the K-crossing check rails: z_slip1.png The settings for the check rails are at real> K-crossing options> K-crossing check rails... menu item. I reduced the length by 48" (i.e. enter a negative modifier), and for a single slip that's on the MS side for one half-diamond and the DS side for the other. To get it looking anything reasonable I had to reduce the end flare to zero, which unfortunately applies to both check rails. You would need to remember to flare the ends a ...