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RSA provides system assurance solutions for the transit and railroad industry for both vehicles and signal systems. We specialize in safety and EMC assurance programs including program plans, analyses, test plans and procedures, and on-site testing. Our engineers have been involved in EMI investigations, both emissions and susceptibility, and safety assurance programs. RSA is familiar with both the design of signaling systems and their system wide integration. We have developed rigorous field measurement methods to demonstrate operating margins in the actual environments. We can provide detailed safety assurance analysis, including PHA, SSHA, FMECA, OHA, FTA, and other related analysis.