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On-Board Brake Piston Monitoring System

The brake piston is either body-mounted (1 per car) or truck mounted (2 per car) for braking service.  Remote monitoring from the side of one car or the locomotive cab is envisioned.


ACT Charts 

ACT Hopper


  • Improve rail safety
  • Decrease maintenance costs
  • Provide status of brake system


  • Real-time measurement of cylinder displacement
  • Defect detection 
  • ProvWeatherproof
  • Electronic monitoring box

For more information please contact: - 202-493-6358 - 202-493-6369 

  • Contact us
  • Federal Railroad Administration
    1200 New Jersey Avenue, SE
    Washington, DC 20590
  • Regional Offices