Welcome to the Knowledge Interchange.

Explore the Knowledge Interchange

Technology Digests
Case Studies
News
Scientific Tools
Events

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…
Read more

Spotlight Technology Digests

  • Technology Digests
  • Walter Rosenberger
  • Stan Gurule

Truck Warp Restraint Hardware Assessment

Recently, the Association of American Railroads (AAR) Coupler Systems & Truck Castings Committee asked MxV Rail to evaluate how warp…
Read more
  • Technology Digests
  • Yi Wang

Effect of Higher Brake Pipe Flow on Application and Release

Under the Association of American Railroads’ (AAR) Strategic Research Initiatives (SRI) program, MxV Rail performed a simulation study to better…
Read more
  • Technology Digests
  • Stephen Wilk
  • Richard Chaparro
  • Kenny Morrison

Longitudinal Rail Force Changes from Maintenance Near Turnout

MxV Rail measured changes in longitudinal rail force and movement during multiple surfacing events on Class 1 railroad track in…
Read more

Spotlight Case Studies

  • Case Studies

Impact Track and Impact Wall

Located at PuebloPlex, the half-mile track with a 1.5% downhill grade allows for testing at speeds up to 30 mph.…
Read more
Walking the FAST track at AAR's 2024 Annual Research Revew
  • Case Studies

Safety starts below the surface measuring subballast and subgrade

Read more
  • 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…
Read more

Momentum in action