A small update is now available for Wii Street U. One of the more notable additions is the ability to create routes and post them to Miiverse,
Wii Street U update – You can create routes and post these to Miiverse. Diashow with world highlights. Hidden characters everywhere.
— Daan Koopman (@NintenDaan) February 12, 2014
You can find photos of the update here.