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

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

Big Boy in the Rockies Mission Pack

August 12, 2025 7:40 AM

Big Boy in the Rockies Mission Pack for TS3 now available! Introduced in Trainz Railroad Simulator 2004 and available for all versions of Trainz was

Preview image showing discounts during the Steam summer sale

Save up to 80% on Hiawathamr Trainz Add-ons DLCs during the Steam summer sale!

June 26, 2025 1:19 PM

Save up to 80% on Hiawathamr Trainz Add-ons DLCs during the Steam summer sale! Now is the perfect time to pick up DLCs created by

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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