# Association of American Railroads: Moving the freight rail industry forward\. Generated by Yoast SEO v27.9, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [How Freight Railroads Built America](https://www.aar.org/how-freight-railroads-built-america/): Discover how freight rail shaped American life and commerce—from refrigerated food and mail\-order retail to global trade, e\-commerce, and the AI\-driven economy\. - [Latest AAR Circulars](https://www.aar.org/circulars/): Find new AAR Circular Letters since the last edition of Rail News\. - [The Signal Newsletter](https://www.aar.org/the-signal/): Stay up\-to\-date on freight rail industry news, policy positions and insights from America's freight railroads\. - [June 30, 2026\. Edition \#197\. THE AMERICA 250 EDITION](https://www.aar.org/signal2-america-250/): New podcast drop, economic insights, and more\. - [June 16, 2026\. Edition \#196\. 40 YEARS OF AI](https://www.aar.org/signal2-40-years-ai/): AAR CEO Ian Jefferies testifies, surprising AI facts, and more\. ## MapGeo - [Freight Rail Network Map](https://www.aar.org/article/igmap/freight-rail-network-map/) ## Issues - [How Freight Rail Invests in America](https://www.aar.org/issue/freight-rail-investments/): Freight rail investment in infrastructure, technology, and workforce keeps goods moving efficiently—supporting supply chain reliability, economic growth, and environmental sustainability across the United States\. - [The Evolution of Freight Rail Technology: 1800s to Today](https://www.aar.org/issue/decades-of-tech-progress/): From telegraph wires and mainframe computers to AI\-powered inspections and digital twins, freight railroads have long been at the forefront of technological innovation\. Explore how more than a century of advancement has shaped one of North America’s safest and most efficient freight networks\. - [Freight Rail Safety Record: Year\-Over\-Year Improvements](https://www.aar.org/issue/freight-rail-safety-record/): 2025 was a record\-setting year for the rail industry, with accident and injury rates falling to historic lows\. - [Freight Railroad First Responder Training](https://www.aar.org/issue/first-responders/): The freight rail industry trains thousands of first responders each year, have 24/7 hazmat safety teams, and works closely with government agencies like PHMSA and FEMA to help safeguard communities\. - [AAR Tank Car Committee](https://www.aar.org/issue/aar-tank-car-committee/): The TCC plays a vital role in ensuring the safe transportation of hazardous materials by approving tank car designs and setting industry\-wide interchange standards that often exceed regulatory safety requirements\. ## News - [AAR Reports Weekly Rail Traffic for the Week Ending June 27, 2026](https://www.aar.org/news/aar-reports-weekly-rail-traffic-for-the-week-ending-june-27-2026/) - [AAR Reports Weekly Rail Traffic for the Week Ending June 20, 2026](https://www.aar.org/news/aar-reports-weekly-rail-traffic-for-the-week-ending-june-20-2026/) - [AAR Reports Weekly Rail Traffic for the Week Ending June 13, 2026](https://www.aar.org/news/aar-reports-weekly-rail-traffic-for-the-week-ending-june-13-2026/) - [AAR Reports Weekly Rail Traffic for the Week Ending June 6, 2026](https://www.aar.org/news/aar-reports-weekly-rail-traffic-for-the-week-ending-june-6-2026/) - [AAR Testimony on Senate Commerce Subcommittee Hearing ](https://www.aar.org/news/aar-testimony-on-senate-commerce-subcommittee-hearing/) ## Events - [Railroad Insurance Management Association \(RIMA\)](https://www.aar.org/event/railroad-insurance-management-association-rima/) - [AAR Tank Car Committee Meeting](https://www.aar.org/event/aar-hazmat-committee-tank-car-committee-meetings/) - [North American Rail Mechanical Operations \(NARMO\) Seminar](https://www.aar.org/event/north-american-rail-mechanical-operations-narmo-seminar/) ## Optional - [Sitemap index](https://www.aar.org/sitemap_index.xml)