Review, Comment on APTA Rail Transit Signals and Communications Standards

10/6/2025

The APTA Standards Program has advanced seven new documents for public review and commenting and APTA is seeking feedback from all executive-level industry stakeholders to help shape the language in the documents.

The public comment period is an essential component of APTA’s consensus-based standards development process.

The current documents address the following topics:

Rail Transit Signals and Communications
  • Fiber Optic Multiplexer Inspection, Testing, and Maintenance
  • Signal Equipment Room Inspection
  • Signal and Communication System Configuration Control
  • AC and DC Power Supply Ground Detection Inspection, Testing, and Maintenance
  • Vital Relay Testing
  • Processor-Based System Inspection, Testing, and Configuration Control
  • Impedance Bond Inspection and Maintenance

Provide comments here by Nov. 2. For issues or questions, contact standards@apta.com.