Lab Rig Testing Laboratory

The TTC is outfitted with one-of-a-kind lab rig equipment to evaluate rail vehicles to their full extent.

Lab Rig Testing at a Glance

Vibration Test Unit (VTU)

Whole body vibration testing of rail vehicles. Applications:

  • Structural vibration testing Identify flexible modes 
  • Ride quality assessments

Full rail vehicle stress testing


  • Structural stress and deflection
  • Structural fatigue testing

Squeeze Test Fixture

Compression testing of whole rail vehicles


  • Crush compliance testing

  • Structural stress testing

  • Corner post testing

Mini-Shaker Unit (MSU)

Truck (bogie) suspension vibration testing


  • Assess truck (bogie) vertical, lateral, roll, yaw performance

  • Bogie yaw resistance testing

  • Bogie component testing

  • Component fatigue testing


TTC At A Glance

  • High Tonnage Loop
  • Rail Transit Track Loop
  • Transit Test Track
  • Wheel Rail Mechanism Loop
  • Tight Turn Loop
  • Precision Geometry Slab Track
  • Vertical Wall for Impact Testing
  • Underground Test Tunnel
  • Passenger-Rail Services Building
  • Transit Maintenance Building
  • Urban Rail Building
  • Wheel Trueing Machine
  • Drop Table
  • Cranes, Jacks, Floor Pits,
  • Overhead Wire and Third Rail with Adjustable Voltage
  • Office space, shop space, and tracks available for long term use to support  onsite testing
  • Provided services to support long term rail vehicle storage including rolling stock maintenance support and car movement services
  • Support staff to aid in rolling stock maintenance and testing
  • New locomotive, freight car, and passenger car testing (homologation)
  • Accelerated service testing of rolling stock and track components
  • Impact testing of railway vehicles including tank cars and passenger cars