Anonymous on 3/26/2019 1:06:31 PM:
The last stop on the Katy is in Sedalia. Or Lee's Summit if you choose to ride on past the end of the Rock Island Trail.
You could just terminate in Sedalia, or ride to Clinton and then ride or shuttle back to Sedalia to hop the train.
Shuttle info/Amtrak link, etc. on the home page.