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CTLGroup has extensive experience providing a broad range of testing and consulting services to the rail industry.   We provide solutions that address complex materials issues and rolling stock assessments. Clients appreciate our knowledge of the rail industry and an understanding of the issues surrounding their operations.  They call upon CTLGroup to provide sophisticated test or evaluation programs tailored to meet their needs and budgets.

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CTLGroup has been serving the rail industry for over 40 years.

Our Structural & Transportation Laboratory

We serve a diverse range of clients including rapid transit authorities, railway component manufacturers, consultants, contractors, suppliers, and government agencies.

Our Structural & Transportation Laboratory is ISO 17025 accredited and specifically designed to meet the laboratory testing needs of the railway, rapid transit and transportation industries.  CTLGroup routinely performs testing in accordance with numerous North American and global industry standards, including those established by the Association of American Railroads (AAR), the American Railway Engineering and Maintenance-of-Way Association (AREMA), and the American Public Transportation Association (APTA).  Tests are often needed to satisfy the qualification requirements in project specifications established by railroad or rapid transit authorities.

Our distinctive testing prowess, coupled with our engineering expertise, assists clients in areas such as rail product development, incremental improvement assessments, or root-cause failure determinations.  Our proficiency in designing specialized testing fixtures, data acquisition, and controls is complemented by our in-depth technical knowledge of metallurgy, structural analysis, and mechanical design.

Metallurgical and Mechanical Services

  • Root cause + failure analysis
  • Microstructure, heat treatment + casting quality
  • Weld evaluation

Track Component Testing

  • Welded rail
  • Rail joints
  • Tie fastener, tie inserts, pads + plugs

Vehicle Component Testing

  • Bolsters, side frames, + brake beams
  • Draft gear, couplers, + yokes
  • Passenger trucks and coupling systems




When time is of importance and a decision is critical, CTLGroup rail sector provides the most efficient strategies so that our client can obtain results quickly.

Giuseppe Sammartino, PE

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