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Hello, As many of you probably know, this year marks the 25th anniversary of Trainz and this year, HTA has decided to make this one a special celebration for the Trainz series lasting for 25 years. Most of this will be from the newsletter that was sent out so most of it will be from there but...

A side post showing the comparison of the old vs new skybox that arrived in the new Trainz Plus update. I took the Salina Sub route on the test run to see how it'd look. Old New

City and Country USA - Mission Pack 4 (250th Anniversary Pack) Celebrate the 250 years of independence of the United States of America with the City and Country Mission Pack 4! This mission pack contains x3 new sessions with new content for the City and Country USA route for Trainz Simulator...

Content News: Centrella Sub Retiring from NARM Hi Trainz users! As the title has hinted, the NARM version (also known as the Editable Edition) of Centrella Sub will be retired and removed from sale at the end of June of this year. Once its retired, it’ll no longer be purchasable. The version...

City and Country USA - Mission Pack 3 (Daylight Pack) - now available! This mission pack contains x2 new sessions with new content for the City and Country USA route for Trainz Simulator 3 featuring the GS-4 (Daylight) steam locomotives! Sessions included: * MP3: Coal for Power * MP3...

Forum Upgrade Complete Hello everyone! The forums update is now complete and is back up and running 24/7 once again. Self-registration is back open thanks to new anti-spam bot detection, and all email addresses are back on the table – no longer limited to just a certain number. Keep in mind...

Hi everyone, Unfortunately, the main website (hiawathamr.com) has gotten corrupted and none of the backups so far haven’t been able to restore the corruption. What has happened? All the images aren’t loading and instead result in 404 errors. This affects the site as currently the site uses...

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 themed routes and/or sessions...

Good afternoon, hope y'all have a good Thanksgiving holiday. As the title hints, another Chicago route will be starting. I'll be working on this route in addition to the other route (so I'll be switching back and forth). Here is a pic of the project freshly imported into Trainz a few days ago...

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, it has long...

SRS Content Download Issues Fixed and EULA updates Hi everyone,I wanted to let everyone know the SRS Trainz Content file delivery issue should be fixed and the RAR files should be delivered as expected.I’ve moved the files from the...

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 Hiawathamr Trainz Add-ons as you can save up to 80% off...

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 the UP Big Boy steam...

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 September 2025 at 12:01am central...

Website Upgraded Welcome to the new Hiawathamr Trainz Add-ons website!Here is a quick rundown of some of the changes.This upgrade will help speed up the experience on the site – no more waiting for pages to slowly load (yay).This upgrade will permit the ability to...

SRS Trainz Content updates released Phase 1 Complete Lots of updates have been applied to the current freeware SRS Trainz content and now requires a minimum version of Trainz Simulator 12 with Service Pack 1 installed as all content has been bumped up to Trainz Build...

SRS Trainz Phase 2 Content Released and a Bonus Item This didn’t take that much time to perform the content updates.Thank you for being patient with me as I figured out how this was going to be released (as payware again or retiring it and letting it become freeware)...

HTA Community Forums now online! I’m happy to announce that the Hiawathamr Trainz Add-ons Community Forums is now online and ready for everyone to join for free...

Lafond Regional Railway for TS3 now available! Now available from the desktop product line for mobile is the Lafond Regional Railway route – now available for TS3!Explore 32.7...

SRS Content Download Issues Report Hi everyone,I wanted to let everyone know that I’m aware of the SRS download issues that have been happening about the RAR files not being delivered as expected.Since the site upgrade happened...