Welcome to Hiawathamr Trainz Add-ons!

Hiawathamr Trainz Add-ons is a solo content creator that specialises in route and session development for Trainz Railroad Simulator 2019 (TRS19), Trainz Railroad Simulator 2022 (TRS22), Trainz Simulator 3 (TS3), and all newer versions of Trainz.


The goal is to offer high quality routes and sessions to both the desktop and mobile markets along with some challenging gameplay sessions.  Ranging from small routes to large routes to challenging session add-on packs, you’ll find something interesting.