@SteveH posted:Lionel does make 031 curves in FasTrack, they come in 45 and 11.25 degree arcs.
http://www.lionel.com/products...urved-track-6-37103/
and
http://www.lionel.com/products...urved-track-6-81662/
They also make O31 FasTrack switches.
Thank you for that information. I did not realize lionel offered o31 with their track. I do not use any switches.