Welcome to the official site for Hiawathamr’s Trainz content!

Hiawathamr Trainz Add-ons is owned and operated by 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.

Announcements

Christmas Eve on Kickstarter County 2 mission pack preview image

Merry Christmas from Hiawathamr Trainz Add-ons!

December 24, 2025 8:01 AM

Merry Christmas from Hiawathamr Trainz Add-ons! I’m hoping that everyone has a safe and joyful Merry Christmas this year. Don’t forget to add some Christmas

Salina Subdivision now available for Trainz

November 11, 2025 7:34 AM

Salina Subdivision now available for Trainz Welcome to Kansas!Originally constructed in the late 19th century as a key part of the Union Pacific’s expansion westward,

Image showing all of the route DLCs made in TRS19

DLCs for TRS19 pulls into the last station

August 21, 2025 2:33 PM

DLCs for TRS19 pulls into the last station Hello everyone, As the title says, I will be discontinuing all TRS19 DLCs (including updates) starting 1st

HTA Community Forums

Come and join the Hiawathamr Tranz Add-ons community! Get updates on works in progress routes and some extra sneak peaks that won't be posted anywhere else.

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