What's new on the NPRHA research site?

Update: 2026-03-24

General History page: Added NPRHA History section and first piece of content.

Update: 2026-03-19

Right-of-Way & Structures page: 1,652 Idaho Division AFEs added to Engineering Department AFE index.

Update: 2026-03-02

Site-level changes


Home page changes


Equipment page changes


Operations & Traffic page changes


Right-of-Way & Structures page changes


Pubications & Advertising page changes


Employees page changes


General History page changes


Modeling Resources page changes


Research Sources page changes