All Signal Structures manufactured by TCR are designed in accordance with the American Association of State Highway Transportation Office (AASHTO), The Association of American Railroads (AAR), and American Railway Engineering and Maintenance-of-Way Association (AREMA).
All structures are designed and analyzed on the basis of the criteria specified by the professional associations listed above for stresses and deflections.
All structures meets or exceeds all the AAR, AREMA, and AASHTO recommended design criteria and are certified by a registered professional engineer.