Welcome to the Knowledge Interchange.

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Technology Digests
Case Studies
News
Scientific Tools

The MxV Rail Knowledge Interchange spans over 30 years of research and testing for the Association of American Railroads (AAR).

This work was made possible by the support of the AAR and its member railroads, as well as additional partners including the Federal Railroad Administration, suppliers and vendors, and allied universities.

Featured article

  • Technology Digests
  • Benjamin Bakkum
  • Duane Otter
  • Stephen Wilk
  • David Davis

Analysis of Flange Bearing Frog Crossing Diamond Performance Issues

Over the past 15 years of safe revenue service operations, the industry has gained valuable experience and insight into flange…
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Spotlight Technology Digests

  • Technology Digests
  • Ananyo Banerjee
  • Ryan Alishio
  • Beatrice Rael

Final Results of Cold Weather Evaluation of Premium Rail Performance

From December 2014 through October 2022, MxV Rail evaluated the performance of seven different high strength (HS) or premium rail…
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  • Technology Digests
  • Ulrich Spangenberg
  • Ananyo Banerjee
  • Yuqing Zeng
  • Wei Zhao

Analysis of Rail Grinding Facets using RCF Simulator and Modeling

MxV Rail’s Rolling Contact Fatigue Simulator (RCFS) was installed in 2016 as a part of the Association of American Railroads’…
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  • Technology Digests
  • Adam Klopp
  • Alyson Sasaoka

Modeling of Railcar Draft Systems

As part of the Association of American Railroad (AAR) Strategic Research Initiatives (SRI) program, MxV Rail and the End-of-Car (EOC)…
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Spotlight Case Studies

  • Case Studies

MxV Rail and Swisspod pioneering the future of transportation in Southern Colorado

MxV Rail is working with Swisspod to develop the world's first circular full-scale operational track for hyperloop testing at its…
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  • Case Studies

Independent testing advances remote monitoring for Track Geometry

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  • Case Studies

Light rail that floats

When Central Puget Sound Regional Transit Authority (Sound Transit) wanted to install light rail transit on the I-90 floating bridge…
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Momentum in action