Are Curved Turnouts Numbered Differently? No. The same ratio rules that are used for straight turnouts apply even if a turnout is curved. A number #6 curved turnout still has a ratio of 6 to 1 no matter what the radius may be.
Is trackwork built using Fast Tracks tools NMRA compliant? Yes, all of our tools are designed so that finished trackwork is NMRA compliant. However we do of course recommend that you always confirm compliancy using an NMRA track gauge. You will find a copy of